Stay Ahead, Stay ONMINE

Reimagining sound and space

On a typical afternoon, MIT’s new Edward and Joyce Linde Music Building hums with life. On the fourth floor, a jazz combo works through a set in a rehearsal suite as engineers adjust microphone levels in a nearby control booth. Downstairs, the layered rhythms of Senegalese drumming pulse through a room built to absorb its force. In the building’s makerspace, students solder circuits, prototype sensor systems, and build instruments. Just off the main lobby, beneath the 50-foot ­ceiling of the circular Thomas Tull Concert Hall, another group tests how the room, whose acoustics can be calibrated to shift with each performance, responds to its sound. Situated behind Kresge Auditorium on the site of a former parking lot, the Linde building doesn’t mark the beginning of a serious commitment to music at MIT—it amplifies an already strong program. Every year, more than 1,500 students enroll in music classes, and over 500 take part in one of the Institute’s 30 ensembles, from the MIT Symphony Orchestra to the Fabulous MIT Laptop Ensemble, which creates electronic music using laptops and synthesizers. They rehearse and perform in venues across campus, including Killian Hall, Kresge, and a network of practice rooms, but the Linde Building provides a dedicated home to meet the depth, range, and ambition of music at MIT. “It would be very difficult to teach biology or engineering in a studio designed for dance or music,” Jay Scheib, section head for Music and Theater Arts, told MIT News shortly before the building officially opened. “The same goes for teaching music in a mathematics or chemistry classroom. In the past, we’ve done it, but it did limit us.” He said the new space would allow MIT musicians to hear their music as it was intended to be heard and “provide an opportunity to convene people to inhabit the same space, breathe the same air, and exchange ideas and perspectives.” The building, made possible by a gift from the late philanthropists Edward ’62 and Joyce Linde, has already transformed daily music life on campus. Musicians, engineers, and designers now cross paths more often as they make use of its rehearsal rooms, performance spaces, studios, and makerspace, and their ideas have begun converging in distinctly MIT ways. Antonis Christou, a second-year master’s student in the Opera of the Future group at the MIT Media Lab and an Emerson/Harris Scholar, says he’s there “all the time” for classes, rehearsals, and composing. “It’s really nice to have a dedicated space for music on campus. MIT does have very strong music and arts programs, so I think it reflects the strength of those programs,” says Valerie Chen ’22, MEng ’23, a cellist and PhD candidate in electrical engineering who works on interactive robotics. “But more than that, I think it makes a statement that technology and the arts, and music in particular, are very interconnected.” A building tuned for acoustics and performance Acoustic innovation shaped every aspect of the building’s 35,000 square feet of space. From the outset, the design team faced a fundamental challenge: how to create a facility where radically different types of music could coexist without interference. Keeril Makan, the Michael (1949) and Sonja Koerner Music Composition Professor and associate dean of MIT’s School of Humanities, Arts, and Social Sciences (SHASS), helped lead that effort. “It was important to me that we could have classical music happening in one space, world music in another space, jazz somewhere else, and also very fine measurements of sound all happening at the same time. And it really does that,” says Makan. “But it took a lot of work to get there.” Keeril Makan, professor of composition and associate dean of SHASS, helped spearhead the effort to create a building in which radically different kinds of musicmaking could happen simultaneously.WINSLOW TOWNSON That work resulted in a building made up of three artfully interconnected blocks, creating three acoustically isolated zones: the Thomas Tull Concert Hall, the Erdely Music and Culture Space, and the Lim Music Maker Pavilion. Thick double shells of concrete enclose each zone, and their physical separation minimizes vibration transfer between them. One space for world music rests on a floating slab above the building’s underground parking garage and is constructed using a box-in-box method, with its inner room structurally isolated from the rest of the building. Other rooms use related techniques, with walls, floors, and ceilings separated by layers of sound-dampening materials and structural isolation systems to reduce sound transmission. The building was designed by the Japanese architecture firm SANAA, in close collaboration with Nagata Acoustics, the team behind Berlin’s Pierre Boulez Saal. Inspired in part by that German hall, the 390-seat Thomas Tull Concert Hall is meant to serve musicians’ varying acoustic needs. Inside, ceiling baffles and perimeter curtains make it possible to adapt the room on demand, shifting the acoustics from resonant and open for chamber music and classical performances to drier and more controlled for jazz or electronic music. Makan and the acoustics team pushed for a 50-foot ceiling, a requirement from Nagata for acoustic flexibility and performance quality. The result is a concert hall that breaks from traditional form. Instead of occupying a raised stage facing rows of seats, performers in Tull Hall are positioned at the bottom of the space, with the audience seated around and above them. This layout alters the relationship between listeners and performers; audience members can choose to sit next to the string section or behind the pianist, experiencing sounds and sights typically reserved for musicians. The circular configuration encourages movement, intimacy, and a more immersive musical experience.  “It’s a big opportunity for creativity,” says Ian Hattwick, a lecturer in music technology. “You can distribute musicians around the hall in interesting ways. I really encourage people in electronic music concerts to come up and get close. You can come up and peer over somebody’s shoulder while they’re playing. It’s definitely different. But I think it’s beautiful.” That sense of openness shaped one of the first performances in the new hall. As part of the building’s opening-weekend event in February, called “Sonic Jubilance,” the Fabulous MIT Laptop Ensemble (FaMLE), directed by Hattwick, took the stage, testing the venue’s variable acoustics and capacity for spatial experimentation as it employed laptops, gestural controllers, and other electronic devices to improvise and perform electronic music. “I was really struck by how good it sounded for what I do and for what FaMLE does,” says Hattwick. “There’s a surround system of speakers. It was really fun and really satisfying, so I’m super excited to spend some more time working on spatial audio applications.” That evening, a concert featured performances by a diverse array of additional ensembles and world premieres by four MIT composers. It was the first moment many performers heard what the hall could do—and the first time they’d shared a space designed for all of them. JONATHAN SACHS JONATHAN SACHS The community joined MIT music faculty, staff, and students for special workshops and short performances at the building’s public opening in February. Since then, the hall has hosted a wide range of performances, from student recitals to concerts featuring guest artists. In the span of two weeks in March, the Boston Chamber Music Society celebrated the music of Fauré and the Boston Symphony Chamber Players performed works by Aaron Copland, Brahms, and MIT’s own Makan. Other concerts have featured student compositions, historical instruments, and multichannel electronic works.  Just a few steps from the entrance to Tull Concert Hall, across the brick- and glass-lined lobby, the Beatrice and Stephen Erdely Music and Culture Space supports a different kind of sound. It’s designed to host rehearsals of percussion groups like Rambax MIT, the Institute’s Senegalese drumming ensemble, which uses hand-carved sabar drums, each played with a stick and open palm to produce tightly woven polyrhythms. At other times, students gather there around bronze-keyed instruments as they play with the Gamelan Galak Tika ensemble, practicing the interlocking patterns of Balinese kotekan.  Such music was originally meant to be performed in the open. The Music and Culture Space provides the physical and sonic headroom these traditions require, using materials chosen not only to isolate sound but also to let it breathe. Inside, the room thrums with rhythm, while just outside its walls, the rest of the building stays silent. “We can imagine [world music] growing with this new home,” says Makan. Previously, these ensembles had rehearsed in a converted space inside the old MIT Museum building on Massachusetts Avenue, separated from the rest of the music program.  “They deserved their own space for so long,” says Hattwick, “and it’s really fantastic that they managed to get it and that it is integrated in the music building the way that it is.”  The soaring ceiling of the Beatrice and Stephen Erdely Music and Culture Space provides the physical and sonic headroom for percussion ensembles.ADAM DETOUR The building’s commitment to sound isolation extends beyond its rehearsal and performance spaces, and for faculty working in sound design and music technology, it has changed their daily rhythms. Mark Rau, an assistant professor of music technology with a joint appointment in electrical engineering and computer science (EECS), regularly uses speakers at high volume in his office—something that he says wouldn’t have been possible in MIT’s previous facilities. “All the rooms in the building have good sound isolation, even the offices—not just the performance rooms, which is pretty great,” says Rau, whose second-floor office in the Jae S. and Kyuho Lim Music Maker Pavilion features gray acoustic panels lining the walls and ceiling. “To be able to test the algorithms that I’m working on and things for homework assignments, and not bother my neighbors, is important.”  The attention to acoustic detail continues upstairs. On the fourth floor, Rau ran the first two sessions in the building’s new recording facilities, which were purpose-­built to support both ensemble work and critical listening. He says they offer professional-­quality recording. The recording suite includes a large main room that can accommodate up to a dozen players, a smaller isolation booth for separating instruments or voices, and a control room designed for precise monitoring. Each space is acoustically treated and linked to the building’s dedicated audio network, so sound can be routed from any room in the building to any other in real time.   In the music technology research lab, undergraduate researchers (from left) Mouhammad Seck ’27, Anthony Wang ’28, and Alex Jin ’27 model the sounds of historic instruments— many of which are unplayable—from the collection of the MFA Boston.ADAM DETOUR “You could record an entire symphony orchestra, and almost everybody could be in a different room,” says Hattwick. Or you could have the orchestra playing together in the concert hall and record it in one of the studios. The whole building uses a digital audio protocol called Dante, which allows low-latency, high-fidelity ­transmission over Ethernet. MIT multimedia specialist Cuco Daglio, who helped oversee technical planning, advocated for that level of fidelity. “It’s a beautifully designed acoustic space,” says Hattwick.  The building’s exterior reflects a similar attention to performance. The arch above its entryway facing the Johnson Athletic Center and the Zesiger Sports and Fitness Center forms a conical shell that shapes and reflects sound, creating a natural stage. On warm days, music drifts out into the open air as groups rehearse beneath the overhang or students gather to play informally in small groups.  New program, new space This fall, MIT is launching a new one-year master’s program in music technology, bringing together faculty from engineering and the arts. The Linde Music Building serves as the program’s home base, providing studios, tools, and collaborative spaces that students will use to design new instruments, software, and performance systems. Eran Egozy ’93, MEng ’95, professor of the practice in music technology and cofounder of Harmonix Music Systems, which developed Guitar Hero and Rock Band, directs the program. He developed the curriculum with Anna Huang, SM ’08, an associate professor with a joint appointment in music and EECS who did research on human-AI music collaboration technologies at Google, and he, Huang, and Rau are among its faculty. Eran Egozy ’93, MEng ’95, professor of the practice in music technology and one of the masterminds behind Guitar Hero and Rock Band, directs the Institute’s new master’s program in music technology.KATE LEMMON “It’s really about inventing new things,” says Egozy. “Asking questions like: What would the future musician want? What kinds of tools will a composer want?” Rachel Loh ’25, who double-majored in computer science and engineering and music, will be part of the inaugural cohort. A vocalist with Syncopasian, MIT’s East Asian a cappella group, she draws on performance experience in her research. Her current project explores how AI systems improvise alongside human musicians, using visualizations to provide insight into machine decision-making. “In high school, I knew I wanted to work at the intersection of music and computer science,” she says. “Now, this new music tech program is the perfect thing for me.” A performance in the Thomas Tull Concert Hall.KATE LEMMON A flexible workshop on the Music Maker Pavilion’s second floor will serve as a core space for the new program, outfitted with essentials like soldering stations, a laser cutter, and testing gear but left unfinished by design. Hattwick and Rau, who oversee the space, are allowing its exact form to emerge over time.  “We’ve been spending this year outfitting it and starting to think about how we make all of these resources available to our students, and what the best way is to utilize this opportunity in this space,” Hattwick says. “[The makerspace] directly supports research and our specific coursework.”  Already, students have begun to push the makerspace into new territory. Some are designing analog circuits and signal-­boosting devices known as preamplifiers for musical instrument sensors. Others are experimenting with embedded systems that blur the boundary between physical and digital sound. In one class, students are building custom digital instruments from scratch—tools that don’t yet exist, shaped to suit musical ideas still in formation. The building’s infrastructure, including features like Dante, gives these projects unusual flexibility. In March, the building served as a backdrop for large-scale projections of animated visuals created by students in MIT’s Interactive Design and Projection for Live Performance class.AV PRODUCTIONS Ayyub Abdulrezak ’24, MEng ’25, one of Egozy’s students, worked in the makerspace to develop compact sensor boxes that combine a microphone, a Raspberry Pi board, and custom signal-processing software. Each device logs when and how long a campus piano is played, sending the data to a central server. The resulting heat maps could help inform tuning schedules, improve access, or guide planning for music spaces across MIT. The makerspace also supports repair, maintenance, and modification. Hattwick describes it as a place to “build and fix and maintain and explore new kinds of instruments,” where students can learn what it means to refine a musical system—not just in theory but in screws, solder, and code. Rau, who also builds guitars, is incorporating more hands-on fabrication into his courses, merging electronics with instrument making and repair to yield a unified design practice. Alex Mazurenko ’28 is an undergraduate researcher working on slip casting, impedance testing, and musical instrument accessory designs. Here, he uses CAD software to design a custom saxophone mouthpiece.ADAM DETOUR After 3D-printing his model, Mazurenko reviews the design with his advisor, senior postdoctoral associate Benjamin Sabatini.ADAM DETOUR He then refines the prototype using tools in the makerspace, a workshop where students can fabricate analog circuits, musical sensors, and even custom instruments.ADAM DETOUR Mazurenko brings the prototype to the Laboratory for Manufacturing and Productivity, where he images it in an x-ray CT scanner built by Lumafield, a startup founded by MIT alumni. He will use the scan to create a digital model for further testing and iteration.ADAM DETOUR While the space is still growing into its full potential, its ethos is clear: experimentation at the intersection of sound, system, and student agency. These kinds of projects rely not only on equipment but on space where musicians can experiment, fail, and refine. As the new master’s program takes shape, that environment will be central to how students learn and create. Building sound and community For the first time, MIT musicians, technologists, composers, and researchers share a space designed to bring their disciplines into conversation. The building’s form encourages these exchanges. Its three wings connect through a glass-lined lobby filled with daylight and movement. Students pause there to talk, overhear a rehearsal in progress, or catch sight of a friend heading to a practice room.  Curves abound in the brick- and glass-lined lobby of the Edward and Joyce Linde Music Building. ADAM DETOUR “Music is such a community thing,” says Christou. “I’ve learned about concerts, or that someone is coming to visit, or I’ve seen friends just studying or practicing. It’s really nice to have a hub with musical activity.” Egozy sees these exchanges as central to the building’s mission. “It’s the idea cross-pollination that happens when you just happen to run into someone you know, literally by the water cooler, and you’re just chatting about this or that,” he says. “That’s my favorite part.” Many of these encounters occur in the makerspace, where students working on entirely different projects end up asking each other questions, swapping tools, or launching ideas together.  “Lots of students from all different walks of life have been building instruments, prototyping different devices,” says Makan, who adds that he wants the new building to be “a place for people to gather and hang out.” Many ensembles that once rehearsed in classrooms scattered across campus now work in adjoining rooms. “You feel like something is always happening,” Christou says. “It’s not just your practice or your rehearsal. It’s this sense of a shared rhythm.” New frontiers for MIT’s music culture Already, the Linde Music Building is affecting how music is conceived, taught, and experienced at MIT. Faculty members are rethinking syllabi to take advantage of the building’s multi-room routing capability and to delve more into spatial acoustics, interactive sound design, and even instrument making. Students are beginning to compose with acoustics in mind, treating the building itself as part of their instrument. For example, Rau is engaging students in projects that explore room dynamics and acoustics as integral to music. In one class, students listen for differences in how music sounds in various parts of Tull Hall and observe changes when the curtains are used. Then they conduct acoustic measurements of the hall’s reverberation and build a digital copy of the hall, creating a sonic blueprint of the space that lets them produce artificial reverberation. Egozy, meanwhile, is developing tools that let performers engage audiences in new ways.  This June, one of those ideas was scaled up. As part of the International Computer Music Conference, MIT premiered a piece that invited audience members to shape the sound in real time using their phones. Musicians performed in Tull Hall, surrounded by a circular array of 24 speakers, with the audio shifting throughout the space in response to the audience input.  Undulating walls and an overhanging ring of glass panels help engineers customize the acoustics for each performance in the Thomas Tull Concert Hall.ADAM DETOUR Performances like these are fueling growing interest in the building’s creative potential at MIT and beyond. Visiting composers have proposed site-specific works. Local ensembles are booking time to record in Tull Hall. Faculty are exploring how the building might support residencies that pair MIT researchers with performers working at the leading edges of both sound and computation. The circular Tull Hall allows countless configurations for both performers and audiences. Here singers perform from the upper level of the hall while instrumentalists play from center stage at the base of the room.CAROLINE ALDEN “This hall is really special. There’s nothing like it anywhere in the Boston area,” Egozy says. “We will have a lot of really amazing events that will draw people into MIT. We’re excited about what it’s going to do for the MIT students, but it’s also going to do a lot just for the whole Boston area.” Each day, students and faculty explore its possibilities—linking rehearsal with recording, sound design with performance, tradition with experiment. MIT is “a place to enable exploration of new vistas, and really letting everyone pursue their path to what their vision is,” Hattwick says. “The music building is just going to be like a huge boost to doing even more cool things in the future.”

On a typical afternoon, MIT’s new Edward and Joyce Linde Music Building hums with life. On the fourth floor, a jazz combo works through a set in a rehearsal suite as engineers adjust microphone levels in a nearby control booth. Downstairs, the layered rhythms of Senegalese drumming pulse through a room built to absorb its force. In the building’s makerspace, students solder circuits, prototype sensor systems, and build instruments. Just off the main lobby, beneath the 50-foot ­ceiling of the circular Thomas Tull Concert Hall, another group tests how the room, whose acoustics can be calibrated to shift with each performance, responds to its sound.

Situated behind Kresge Auditorium on the site of a former parking lot, the Linde building doesn’t mark the beginning of a serious commitment to music at MIT—it amplifies an already strong program. Every year, more than 1,500 students enroll in music classes, and over 500 take part in one of the Institute’s 30 ensembles, from the MIT Symphony Orchestra to the Fabulous MIT Laptop Ensemble, which creates electronic music using laptops and synthesizers. They rehearse and perform in venues across campus, including Killian Hall, Kresge, and a network of practice rooms, but the Linde Building provides a dedicated home to meet the depth, range, and ambition of music at MIT.

“It would be very difficult to teach biology or engineering in a studio designed for dance or music,” Jay Scheib, section head for Music and Theater Arts, told MIT News shortly before the building officially opened. “The same goes for teaching music in a mathematics or chemistry classroom. In the past, we’ve done it, but it did limit us.” He said the new space would allow MIT musicians to hear their music as it was intended to be heard and “provide an opportunity to convene people to inhabit the same space, breathe the same air, and exchange ideas and perspectives.”

The building, made possible by a gift from the late philanthropists Edward ’62 and Joyce Linde, has already transformed daily music life on campus. Musicians, engineers, and designers now cross paths more often as they make use of its rehearsal rooms, performance spaces, studios, and makerspace, and their ideas have begun converging in distinctly MIT ways. Antonis Christou, a second-year master’s student in the Opera of the Future group at the MIT Media Lab and an Emerson/Harris Scholar, says he’s there “all the time” for classes, rehearsals, and composing.

“It’s really nice to have a dedicated space for music on campus. MIT does have very strong music and arts programs, so I think it reflects the strength of those programs,” says Valerie Chen ’22, MEng ’23, a cellist and PhD candidate in electrical engineering who works on interactive robotics. “But more than that, I think it makes a statement that technology and the arts, and music in particular, are very interconnected.”

A building tuned for acoustics and performance

Acoustic innovation shaped every aspect of the building’s 35,000 square feet of space. From the outset, the design team faced a fundamental challenge: how to create a facility where radically different types of music could coexist without interference. Keeril Makan, the Michael (1949) and Sonja Koerner Music Composition Professor and associate dean of MIT’s School of Humanities, Arts, and Social Sciences (SHASS), helped lead that effort.

“It was important to me that we could have classical music happening in one space, world music in another space, jazz somewhere else, and also very fine measurements of sound all happening at the same time. And it really does that,” says Makan. “But it took a lot of work to get there.”

Keeril Makan
Keeril Makan, professor of composition and associate dean of SHASS, helped spearhead the effort to create a building in which radically different kinds of musicmaking could happen simultaneously.
WINSLOW TOWNSON

That work resulted in a building made up of three artfully interconnected blocks, creating three acoustically isolated zones: the Thomas Tull Concert Hall, the Erdely Music and Culture Space, and the Lim Music Maker Pavilion. Thick double shells of concrete enclose each zone, and their physical separation minimizes vibration transfer between them. One space for world music rests on a floating slab above the building’s underground parking garage and is constructed using a box-in-box method, with its inner room structurally isolated from the rest of the building. Other rooms use related techniques, with walls, floors, and ceilings separated by layers of sound-dampening materials and structural isolation systems to reduce sound transmission.

The building was designed by the Japanese architecture firm SANAA, in close collaboration with Nagata Acoustics, the team behind Berlin’s Pierre Boulez Saal. Inspired in part by that German hall, the 390-seat Thomas Tull Concert Hall is meant to serve musicians’ varying acoustic needs. Inside, ceiling baffles and perimeter curtains make it possible to adapt the room on demand, shifting the acoustics from resonant and open for chamber music and classical performances to drier and more controlled for jazz or electronic music.

Makan and the acoustics team pushed for a 50-foot ceiling, a requirement from Nagata for acoustic flexibility and performance quality. The result is a concert hall that breaks from traditional form. Instead of occupying a raised stage facing rows of seats, performers in Tull Hall are positioned at the bottom of the space, with the audience seated around and above them. This layout alters the relationship between listeners and performers; audience members can choose to sit next to the string section or behind the pianist, experiencing sounds and sights typically reserved for musicians. The circular configuration encourages movement, intimacy, and a more immersive musical experience. 

“It’s a big opportunity for creativity,” says Ian Hattwick, a lecturer in music technology. “You can distribute musicians around the hall in interesting ways. I really encourage people in electronic music concerts to come up and get close. You can come up and peer over somebody’s shoulder while they’re playing. It’s definitely different. But I think it’s beautiful.”

That sense of openness shaped one of the first performances in the new hall. As part of the building’s opening-weekend event in February, called “Sonic Jubilance,” the Fabulous MIT Laptop Ensemble (FaMLE), directed by Hattwick, took the stage, testing the venue’s variable acoustics and capacity for spatial experimentation as it employed laptops, gestural controllers, and other electronic devices to improvise and perform electronic music.

“I was really struck by how good it sounded for what I do and for what FaMLE does,” says Hattwick. “There’s a surround system of speakers. It was really fun and really satisfying, so I’m super excited to spend some more time working on spatial audio applications.” That evening, a concert featured performances by a diverse array of additional ensembles and world premieres by four MIT composers. It was the first moment many performers heard what the hall could do—and the first time they’d shared a space designed for all of them.

JONATHAN SACHS
Students on the performance floor stand at a long table with keyboards and other controllers

JONATHAN SACHS

The community joined MIT music faculty, staff, and students for special workshops and short performances at the building’s public opening in February.

Since then, the hall has hosted a wide range of performances, from student recitals to concerts featuring guest artists. In the span of two weeks in March, the Boston Chamber Music Society celebrated the music of Fauré and the Boston Symphony Chamber Players performed works by Aaron Copland, Brahms, and MIT’s own Makan. Other concerts have featured student compositions, historical instruments, and multichannel electronic works. 

Just a few steps from the entrance to Tull Concert Hall, across the brick- and glass-lined lobby, the Beatrice and Stephen Erdely Music and Culture Space supports a different kind of sound. It’s designed to host rehearsals of percussion groups like Rambax MIT, the Institute’s Senegalese drumming ensemble, which uses hand-carved sabar drums, each played with a stick and open palm to produce tightly woven polyrhythms. At other times, students gather there around bronze-keyed instruments as they play with the Gamelan Galak Tika ensemble, practicing the interlocking patterns of Balinese kotekan

Such music was originally meant to be performed in the open. The Music and Culture Space provides the physical and sonic headroom these traditions require, using materials chosen not only to isolate sound but also to let it breathe. Inside, the room thrums with rhythm, while just outside its walls, the rest of the building stays silent.

“We can imagine [world music] growing with this new home,” says Makan. Previously, these ensembles had rehearsed in a converted space inside the old MIT Museum building on Massachusetts Avenue, separated from the rest of the music program. 

“They deserved their own space for so long,” says Hattwick, “and it’s really fantastic that they managed to get it and that it is integrated in the music building the way that it is.” 

a figure in motion walks toward a number of traditional wood drums
The soaring ceiling of the Beatrice and Stephen Erdely Music and Culture Space provides the physical and sonic headroom for percussion ensembles.
ADAM DETOUR

The building’s commitment to sound isolation extends beyond its rehearsal and performance spaces, and for faculty working in sound design and music technology, it has changed their daily rhythms. Mark Rau, an assistant professor of music technology with a joint appointment in electrical engineering and computer science (EECS), regularly uses speakers at high volume in his office—something that he says wouldn’t have been possible in MIT’s previous facilities.

“All the rooms in the building have good sound isolation, even the offices—not just the performance rooms, which is pretty great,” says Rau, whose second-floor office in the Jae S. and Kyuho Lim Music Maker Pavilion features gray acoustic panels lining the walls and ceiling. “To be able to test the algorithms that I’m working on and things for homework assignments, and not bother my neighbors, is important.” 

The attention to acoustic detail continues upstairs. On the fourth floor, Rau ran the first two sessions in the building’s new recording facilities, which were purpose-­built to support both ensemble work and critical listening. He says they offer professional-­quality recording.

The recording suite includes a large main room that can accommodate up to a dozen players, a smaller isolation booth for separating instruments or voices, and a control room designed for precise monitoring. Each space is acoustically treated and linked to the building’s dedicated audio network, so sound can be routed from any room in the building to any other in real time.  

In the music technology research lab, undergraduate researchers (from left) Mouhammad Seck ’27, Anthony Wang ’28, and Alex Jin ’27 model the sounds of historic instruments— many of which are unplayable—from the collection of the MFA Boston.
ADAM DETOUR

“You could record an entire symphony orchestra, and almost everybody could be in a different room,” says Hattwick. Or you could have the orchestra playing together in the concert hall and record it in one of the studios. The whole building uses a digital audio protocol called Dante, which allows low-latency, high-fidelity ­transmission over Ethernet.

MIT multimedia specialist Cuco Daglio, who helped oversee technical planning, advocated for that level of fidelity. “It’s a beautifully designed acoustic space,” says Hattwick. 

The building’s exterior reflects a similar attention to performance. The arch above its entryway facing the Johnson Athletic Center and the Zesiger Sports and Fitness Center forms a conical shell that shapes and reflects sound, creating a natural stage. On warm days, music drifts out into the open air as groups rehearse beneath the overhang or students gather to play informally in small groups. 

New program, new space

This fall, MIT is launching a new one-year master’s program in music technology, bringing together faculty from engineering and the arts. The Linde Music Building serves as the program’s home base, providing studios, tools, and collaborative spaces that students will use to design new instruments, software, and performance systems. Eran Egozy ’93, MEng ’95, professor of the practice in music technology and cofounder of Harmonix Music Systems, which developed Guitar Hero and Rock Band, directs the program. He developed the curriculum with Anna Huang, SM ’08, an associate professor with a joint appointment in music and EECS who did research on human-AI music collaboration technologies at Google, and he, Huang, and Rau are among its faculty.

Eran Egozy
Eran Egozy ’93, MEng ’95, professor of the practice in music technology and one of the masterminds behind Guitar Hero and Rock Band, directs the Institute’s new master’s program in music technology.
KATE LEMMON

“It’s really about inventing new things,” says Egozy. “Asking questions like: What would the future musician want? What kinds of tools will a composer want?”

Rachel Loh ’25, who double-majored in computer science and engineering and music, will be part of the inaugural cohort. A vocalist with Syncopasian, MIT’s East Asian a cappella group, she draws on performance experience in her research. Her current project explores how AI systems improvise alongside human musicians, using visualizations to provide insight into machine decision-making.

“In high school, I knew I wanted to work at the intersection of music and computer science,” she says. “Now, this new music tech program is the perfect thing for me.”

a woman holds her bow aloft as she plays the violin at the center of converging beams of the spotlights such that four shadows extend away from her at each 90 degree angle.
A performance in the Thomas Tull Concert Hall.
KATE LEMMON

A flexible workshop on the Music Maker Pavilion’s second floor will serve as a core space for the new program, outfitted with essentials like soldering stations, a laser cutter, and testing gear but left unfinished by design. Hattwick and Rau, who oversee the space, are allowing its exact form to emerge over time. 

“We’ve been spending this year outfitting it and starting to think about how we make all of these resources available to our students, and what the best way is to utilize this opportunity in this space,” Hattwick says. “[The makerspace] directly supports research and our specific coursework.” 

Already, students have begun to push the makerspace into new territory. Some are designing analog circuits and signal-­boosting devices known as preamplifiers for musical instrument sensors. Others are experimenting with embedded systems that blur the boundary between physical and digital sound. In one class, students are building custom digital instruments from scratch—tools that don’t yet exist, shaped to suit musical ideas still in formation. The building’s infrastructure, including features like Dante, gives these projects unusual flexibility.

In March, the building served as a backdrop for large-scale projections of animated visuals created by students in MIT’s Interactive Design and Projection for Live Performance class.
AV PRODUCTIONS

Ayyub Abdulrezak ’24, MEng ’25, one of Egozy’s students, worked in the makerspace to develop compact sensor boxes that combine a microphone, a Raspberry Pi board, and custom signal-processing software. Each device logs when and how long a campus piano is played, sending the data to a central server. The resulting heat maps could help inform tuning schedules, improve access, or guide planning for music spaces across MIT.

The makerspace also supports repair, maintenance, and modification. Hattwick describes it as a place to “build and fix and maintain and explore new kinds of instruments,” where students can learn what it means to refine a musical system—not just in theory but in screws, solder, and code. Rau, who also builds guitars, is incorporating more hands-on fabrication into his courses, merging electronics with instrument making and repair to yield a unified design practice.

Alex at a laptop with a prototype in one hand
Alex Mazurenko ’28 is an undergraduate researcher working on slip casting, impedance testing, and musical instrument accessory designs. Here, he uses CAD software to design a custom saxophone mouthpiece.
ADAM DETOUR
After 3D-printing his model, Mazurenko reviews the design with his advisor, senior postdoctoral associate Benjamin Sabatini.
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He then refines the prototype using tools in the makerspace, a workshop where students can fabricate analog circuits, musical sensors, and even custom instruments.
ADAM DETOUR
Mazurenko brings the prototype to the Laboratory for Manufacturing and Productivity, where he images it in an x-ray CT scanner built by Lumafield, a startup founded by MIT alumni. He will use the scan to create a digital model for further testing and iteration.
ADAM DETOUR

While the space is still growing into its full potential, its ethos is clear: experimentation at the intersection of sound, system, and student agency. These kinds of projects rely not only on equipment but on space where musicians can experiment, fail, and refine. As the new master’s program takes shape, that environment will be central to how students learn and create.

Building sound and community

For the first time, MIT musicians, technologists, composers, and researchers share a space designed to bring their disciplines into conversation. The building’s form encourages these exchanges. Its three wings connect through a glass-lined lobby filled with daylight and movement. Students pause there to talk, overhear a rehearsal in progress, or catch sight of a friend heading to a practice room. 

a brick-walled lobby with freestanding elevator next to a white staircase
Curves abound in the brick- and glass-lined lobby of the Edward and Joyce Linde Music Building.
ADAM DETOUR

“Music is such a community thing,” says Christou. “I’ve learned about concerts, or that someone is coming to visit, or I’ve seen friends just studying or practicing. It’s really nice to have a hub with musical activity.”

Egozy sees these exchanges as central to the building’s mission. “It’s the idea cross-pollination that happens when you just happen to run into someone you know, literally by the water cooler, and you’re just chatting about this or that,” he says. “That’s my favorite part.”

Many of these encounters occur in the makerspace, where students working on entirely different projects end up asking each other questions, swapping tools, or launching ideas together. 

“Lots of students from all different walks of life have been building instruments, prototyping different devices,” says Makan, who adds that he wants the new building to be “a place for people to gather and hang out.” Many ensembles that once rehearsed in classrooms scattered across campus now work in adjoining rooms. “You feel like something is always happening,” Christou says. “It’s not just your practice or your rehearsal. It’s this sense of a shared rhythm.”

New frontiers for MIT’s music culture

Already, the Linde Music Building is affecting how music is conceived, taught, and experienced at MIT. Faculty members are rethinking syllabi to take advantage of the building’s multi-room routing capability and to delve more into spatial acoustics, interactive sound design, and even instrument making. Students are beginning to compose with acoustics in mind, treating the building itself as part of their instrument.

For example, Rau is engaging students in projects that explore room dynamics and acoustics as integral to music. In one class, students listen for differences in how music sounds in various parts of Tull Hall and observe changes when the curtains are used. Then they conduct acoustic measurements of the hall’s reverberation and build a digital copy of the hall, creating a sonic blueprint of the space that lets them produce artificial reverberation. Egozy, meanwhile, is developing tools that let performers engage audiences in new ways. 

This June, one of those ideas was scaled up. As part of the International Computer Music Conference, MIT premiered a piece that invited audience members to shape the sound in real time using their phones. Musicians performed in Tull Hall, surrounded by a circular array of 24 speakers, with the audio shifting throughout the space in response to the audience input. 

seating in the concert hall
Undulating walls and an overhanging ring of glass panels help engineers customize the acoustics for each performance in the Thomas Tull Concert Hall.
ADAM DETOUR

Performances like these are fueling growing interest in the building’s creative potential at MIT and beyond. Visiting composers have proposed site-specific works. Local ensembles are booking time to record in Tull Hall. Faculty are exploring how the building might support residencies that pair MIT researchers with performers working at the leading edges of both sound and computation.

performance at the Linde
The circular Tull Hall allows countless configurations for both performers and audiences. Here singers perform from the upper level of the hall while instrumentalists play from center stage at the base of the room.
CAROLINE ALDEN

“This hall is really special. There’s nothing like it anywhere in the Boston area,” Egozy says. “We will have a lot of really amazing events that will draw people into MIT. We’re excited about what it’s going to do for the MIT students, but it’s also going to do a lot just for the whole Boston area.”

Each day, students and faculty explore its possibilities—linking rehearsal with recording, sound design with performance, tradition with experiment.

MIT is “a place to enable exploration of new vistas, and really letting everyone pursue their path to what their vision is,” Hattwick says. “The music building is just going to be like a huge boost to doing even more cool things in the future.”

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Oil Settles Lower After Rally

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PetroChina Proposes Buying Gas Cos for $5.6B

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U.S. Department of Energy to Distribute Next Round of HALEU to U.S. Nuclear Industry

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Import tariffs could slow transmission development, drive up utility costs: Morningstar

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Southeast utilities are signing gas capacity contracts that will burden customers for decades

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EIA projects record natural gas consumption in 2025

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HPE extends Juniper’s Mist AI to boost data center management

Further, Aaron stated that Marvis Actions offers automated remediations for IT-approved scenarios. Using a Human-in-the-Loop (HITL) trust model, customers can develop confidence over time, giving Marvis AI Assistant permission to automatically resolve problems such as: Correcting VLAN misconfigurations Shutting down ports to resolve network loops Upgrading noncompliant devices Handling routine policy updates and firmware compliance Resolving port-stuck issues and misconfigured access points “Each action, whether initiated by IT or executed autonomously by Marvis AI Assistant, is validated post-remediation and logged in the Marvis Actions Dashboard. This maintains full auditability and HITL oversight while building trust through consistent, accurate results,” Aaron wrote. Juniper also extended Marvis further into the vendor’s Apstra data center networking environment by letting the platform have access to Apstra’s contextual graph database, which maps the components in the data center including switches, routers, servers, links, policies and services.  The idea is to let the MistAI framework understand complex queries, break them into logical components, and iteratively query data sources to synthesize actionable responses, Aaron stated.  “This framework currently supports nearly 300 API queries. It will expand to enable autonomous service provisioning activities, incorporate additional data sources like elastic search, and enhance feedback mechanisms for continuous learning—critical steps toward fully self-driving data centers,” Aaron wrote. In addition to the Apstra extension, Juniper is adding Marvis Minis capabilities to data center operations. Marvis Minis set up a digital twin of a customer’s network environment to simulate and test user connections, validate network configurations, and find/detect problems without users being present and without requiring any additional hardware, according to Juniper.

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Vertiv launches one-day installation package for AI data center systems

Data center infrastructure vendor Vertiv has introduced Vertiv OneCore, a fully modular data center building block design supporting AI and HPC applications intended to speed deployment of compute equipment in as little as one day. OneCore is a unified “slab-up,” factory-assembled, turnkey platform that integrates the company’s power, thermal, and IT infrastructure systems within a pre-assembled shell. Slab-up is a data center design where equipment—such as server racks and cabinets—are installed directly on a solid concrete slab floor, rather than on a raised floor system. Vertiv says the design simplifies logistics, minimizes on-site labor and complexity, and supports consistent quality, cost, and schedule outcomes. Vertiv Unify, which assists Vertiv cooling, UPS, and power management equipment to connect to building and data center management, provides integrated system visibility and centralized management. 

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Nvidia turns to software to speed up its data center networking hardware for AI

Typically chunks of AI tasks are distributed across GPUs, which then coordinate to provide a unified output. Adaptive routing ensures the network and GPUs over long distances are in sync when running AI workloads, Shainer said. Jitter bugs “If I retransmit the packet, I create jitter, which means one GPU out of many will be delayed and all the others have to wait for that GPU to finish,” Shainer said. The congestion control improvements remove bottlenecks by balancing transmissions across switches. Nvidia tested XGS algorithms in its server hardware and measured a 1.9x improvement in GPU-to-GPU communication compared to off-the-shelf networking technology, executives said during a briefing on the technology. Cloud providers already have long-distance high-speed networks. For example, Google’s large-scale Jupiter network uses optical switching for fast communications between its AI chips, which are called TPUs. It is important to separate the physical infrastructure from the software algorithms like XGS, Shainer said.

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Fluke Networks expands testing to help ease data center networking challenges

High-density fiber connections amplify contamination risks The shift toward higher-density fiber connections has significantly complicated contamination control. Modern array connectors can house up to 24 individual fibers within a single connection point. In contrast, traditional duplex connections contained just two fibers. “The slightest little bit of dust on one of those nine micron wide fibers, which, by the way, is much smaller than a human hair, the slightest little bit of dust on any one of the 24 in that connector, and it’s not going to work,” Mullins explained.  The inspection and cleaning requirements extend beyond traditional fiber testing. Each kit includes cleaning and inspection capabilities. Mullins noted that many technicians take shortcuts on fiber preparation.  “Cleaning and inspecting a fiber, every time you unplug it and plug it back in, adds, like another minute worth of work. But you know what? If you don’t do it, you’re gonna pay for it down the road,” he said. Cable identification a persistent challenge In addition to the new kits, Fluke Networks is also continuing to help solve other persistent networking issues. Physical cable identification continues to plague data center operations despite advances in network management and monitoring. Fluke’s solutions address this through multiple approaches. These include tone and probe technology, remote identification systems, and active network port discovery.

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Cisco ties storage networking gear to IBM z17 mainframe

“IBM Z systems are mainframes known for their ability to handle massive transaction volumes, support large-scale databases, and provide unmatched levels of security and uptime,” wrote Fausto Vaninetti, a senior solutions engineer for data center technologies at Cisco, in a blog post about the news. “The newest in the IBM Z system family, IBM z17 is the first mainframe fully engineered for the AI age, unlocking expanded capabilities for enterprise-scale AI, such as large language models, generative AI, and accelerated inferencing. However, the performance of mainframe applications depends on the underlying storage infrastructure.” SANs play a critical role in ensuring fast, reliable, and secure access to data, Vaninetti wrote: “For mainframe environments, which leverage high-speed [Fibre Connection] FICON protocol, having a robust SAN fabric that supports these requirements is non-negotiable. A solution that combines high throughput, low latency, and enterprise-class resilience is vital to ensure seamless operations and meet stringent service-level agreement requirements.” According to Vaninetti, some standout features of the MDS 9000 Series for mainframe environments include:

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Scaling Up: Tract’s Master-Planned Land and Infrastructure Approach to Data Center Development

With the rapid growth of physical data center infrastructure, it’s no surprise that a niche market has emerged for companies specializing in land acquisition. Reports of massive property purchases by firms planning new facilities appear almost daily—and so do accounts of the challenges developers face before the first shovel hits the ground. As parcel sizes grow and power and water demands intensify, the complexities of acquiring and preparing these sites have only increased. Tract is a leader in this space. The Denver-based company develops master-planned data center parks, with more than 25,000 acres of potential sites under its control and plans to support over 25 GW of workload capacity. To put that into perspective, 25,000 acres is roughly 40 square miles—about two-thirds the land area of Washington, D.C., or, for European readers, two-thirds the size of Liechtenstein. Building Shovel-Ready Megasites Rather than waiting for developers to come knocking, Tract takes a proactive approach, built on the core belief that the future of data center growth lies in pre-entitled, zoned, and infrastructure-ready megasites. The company works years in advance to deliver shovel-ready campuses with reliable energy, fiber connectivity, and municipal cooperation already in place. Its model emphasizes strategic land aggregation in high-growth regions, the cultivation of long-term relationships with utilities and governments, and master planning for power, cooling, transportation, and sustainability. This integrated approach positions Tract to deliver both speed and certainty to hyperscale project developers—at scale. Tract’s leadership team brings deep industry experience. Founder and Executive Chairman Grant van Rooyen previously led acquisitions and expansions at Cologix and Teraco. President Matt Spencer brings more than 35 years of telecom and infrastructure leadership, while Chief Energy Officer Nat Sahlstrom, former head of Amazon’s global energy, water, and sustainability teams, helped make Amazon the world’s largest buyer of renewable energy. Backed by

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Microsoft will invest $80B in AI data centers in fiscal 2025

And Microsoft isn’t the only one that is ramping up its investments into AI-enabled data centers. Rival cloud service providers are all investing in either upgrading or opening new data centers to capture a larger chunk of business from developers and users of large language models (LLMs).  In a report published in October 2024, Bloomberg Intelligence estimated that demand for generative AI would push Microsoft, AWS, Google, Oracle, Meta, and Apple would between them devote $200 billion to capex in 2025, up from $110 billion in 2023. Microsoft is one of the biggest spenders, followed closely by Google and AWS, Bloomberg Intelligence said. Its estimate of Microsoft’s capital spending on AI, at $62.4 billion for calendar 2025, is lower than Smith’s claim that the company will invest $80 billion in the fiscal year to June 30, 2025. Both figures, though, are way higher than Microsoft’s 2020 capital expenditure of “just” $17.6 billion. The majority of the increased spending is tied to cloud services and the expansion of AI infrastructure needed to provide compute capacity for OpenAI workloads. Separately, last October Amazon CEO Andy Jassy said his company planned total capex spend of $75 billion in 2024 and even more in 2025, with much of it going to AWS, its cloud computing division.

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John Deere unveils more autonomous farm machines to address skill labor shortage

Join our daily and weekly newsletters for the latest updates and exclusive content on industry-leading AI coverage. Learn More Self-driving tractors might be the path to self-driving cars. John Deere has revealed a new line of autonomous machines and tech across agriculture, construction and commercial landscaping. The Moline, Illinois-based John Deere has been in business for 187 years, yet it’s been a regular as a non-tech company showing off technology at the big tech trade show in Las Vegas and is back at CES 2025 with more autonomous tractors and other vehicles. This is not something we usually cover, but John Deere has a lot of data that is interesting in the big picture of tech. The message from the company is that there aren’t enough skilled farm laborers to do the work that its customers need. It’s been a challenge for most of the last two decades, said Jahmy Hindman, CTO at John Deere, in a briefing. Much of the tech will come this fall and after that. He noted that the average farmer in the U.S. is over 58 and works 12 to 18 hours a day to grow food for us. And he said the American Farm Bureau Federation estimates there are roughly 2.4 million farm jobs that need to be filled annually; and the agricultural work force continues to shrink. (This is my hint to the anti-immigration crowd). John Deere’s autonomous 9RX Tractor. Farmers can oversee it using an app. While each of these industries experiences their own set of challenges, a commonality across all is skilled labor availability. In construction, about 80% percent of contractors struggle to find skilled labor. And in commercial landscaping, 86% of landscaping business owners can’t find labor to fill open positions, he said. “They have to figure out how to do

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2025 playbook for enterprise AI success, from agents to evals

Join our daily and weekly newsletters for the latest updates and exclusive content on industry-leading AI coverage. Learn More 2025 is poised to be a pivotal year for enterprise AI. The past year has seen rapid innovation, and this year will see the same. This has made it more critical than ever to revisit your AI strategy to stay competitive and create value for your customers. From scaling AI agents to optimizing costs, here are the five critical areas enterprises should prioritize for their AI strategy this year. 1. Agents: the next generation of automation AI agents are no longer theoretical. In 2025, they’re indispensable tools for enterprises looking to streamline operations and enhance customer interactions. Unlike traditional software, agents powered by large language models (LLMs) can make nuanced decisions, navigate complex multi-step tasks, and integrate seamlessly with tools and APIs. At the start of 2024, agents were not ready for prime time, making frustrating mistakes like hallucinating URLs. They started getting better as frontier large language models themselves improved. “Let me put it this way,” said Sam Witteveen, cofounder of Red Dragon, a company that develops agents for companies, and that recently reviewed the 48 agents it built last year. “Interestingly, the ones that we built at the start of the year, a lot of those worked way better at the end of the year just because the models got better.” Witteveen shared this in the video podcast we filmed to discuss these five big trends in detail. Models are getting better and hallucinating less, and they’re also being trained to do agentic tasks. Another feature that the model providers are researching is a way to use the LLM as a judge, and as models get cheaper (something we’ll cover below), companies can use three or more models to

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OpenAI’s red teaming innovations define new essentials for security leaders in the AI era

Join our daily and weekly newsletters for the latest updates and exclusive content on industry-leading AI coverage. Learn More OpenAI has taken a more aggressive approach to red teaming than its AI competitors, demonstrating its security teams’ advanced capabilities in two areas: multi-step reinforcement and external red teaming. OpenAI recently released two papers that set a new competitive standard for improving the quality, reliability and safety of AI models in these two techniques and more. The first paper, “OpenAI’s Approach to External Red Teaming for AI Models and Systems,” reports that specialized teams outside the company have proven effective in uncovering vulnerabilities that might otherwise have made it into a released model because in-house testing techniques may have missed them. In the second paper, “Diverse and Effective Red Teaming with Auto-Generated Rewards and Multi-Step Reinforcement Learning,” OpenAI introduces an automated framework that relies on iterative reinforcement learning to generate a broad spectrum of novel, wide-ranging attacks. Going all-in on red teaming pays practical, competitive dividends It’s encouraging to see competitive intensity in red teaming growing among AI companies. When Anthropic released its AI red team guidelines in June of last year, it joined AI providers including Google, Microsoft, Nvidia, OpenAI, and even the U.S.’s National Institute of Standards and Technology (NIST), which all had released red teaming frameworks. Investing heavily in red teaming yields tangible benefits for security leaders in any organization. OpenAI’s paper on external red teaming provides a detailed analysis of how the company strives to create specialized external teams that include cybersecurity and subject matter experts. The goal is to see if knowledgeable external teams can defeat models’ security perimeters and find gaps in their security, biases and controls that prompt-based testing couldn’t find. What makes OpenAI’s recent papers noteworthy is how well they define using human-in-the-middle

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