- Bettina, Judith1
- Bielawa, Herbert1
- Binkerd, Gordon, 1916-20031
- Birnbaum, Mark J., 1952-1
- Blacher, Boris, 1903-19751
- Blitzstein, Marc2
- Blustine, Allen1
- Bolaños, César1
- Boulez, Pierre, 1925-20162
- Boutilier, Tom2
- Bowles, Paul, 1910-19991
- Bowsher, J. M1
- Brant, Henry, 1913-20081
- Bregman Electronic Music Studio2
- Breydert, Frederick1
- Brisman, Heskel, 1923-20011
- Brody, Martin, 1949-1
- Broekman, David, 1899-19581
- Brooklyn Philharmonic Symphony Orchestra1
- Brown, Earle, 1926-20021
- Brubeck, Howard1
- Brunson, William, 1953-1
- Buffington, Jim, 1922-19813
- Buter, Rory1
- Byrne, Lang1
- CBS Radio Chamber Orchestra1
- Cage, John1
- Campanella, Tommaso, 1568-16391
- Canaday, William1
- Canadian Broadcasting Corporation4
- Canby, Edward Tatnall1
- Cantón, Edgardo, 1934-1
- Carlos, Wendy1
- Cartside, Robert1
- Caspary, Clodomíro1
- Cavalli, Pier Francesco, 1602-16761
- Cecil Taylor Group3
- Chadabe, Joel1
- Chamass-Kyrou, Mireille1
- Chamisso, Adelbert von, 1781-18381
- Chapin, Schuyler1
- Charles, Teddy3
- Chesterman, Robert, 1931-20074
- Chinn, Genevieve2
- Chou, Wen-Chung, 1923-20192
- Chowning, John M1
- Claro, Samuel1
- Clement, Sheree, 1955-1
- Cleveland Orchestra1
- Columbia University Chamber Orchestra1
- Columbia University Orchestra1
- Columbia-Princeton Electronic Music Center975
- Columbia-Princeton Electronic Music Center Collection✖[remove]975
- Concours international de musique électroacoustique1
- Cone, Edward T1
- Contemporary Chamber Ensemble1
- Copley, Alfred L1
- Cornell University. Laboratory of Ornithology2
- Cowell, Henry, 1897-19656
- Cowell, Sidney Robertson, 1903-19951