- Bartók, Béla, 1881-19451
- Barzun, Jacques, 1907-20121
- Bassett, Leslie, 1923-20161
- Basson, Edmond, 1933-20091
- Bauch, Ethan, -20051
- Bauer, Marion, 1882-19551
- Bauman, Alvin2
- Baumel, Herbert, 1919-20102
- Bavicchi, John, 1922-20121
- Bayle, François, 1932-2
- Beal, John (Bassist)1
- Bedetti, Jean1
- Beeson, Jack, 1921-20104
- Beethoven, Ludwig van, 1770-18274
- Behrman, David1
- Bell Telephone Laboratories2
- Benedetti, Donald1
- Benjamin, Jean (Violinist)2
- Benjamin, Jeanne1
- Bennett, Robert Russell, 1894-19811
- Bennington Composers' Conference1
- Bentzon, Niels Viggo, 1919-20001
- Berezowsky, Nicolai, 1900-19531
- Berger, Arthur, 1912-20031
- Bergsma, William, 1921-19944
- Berio, Luciano, 1925-20037
- Berkowitz, Sol1
- Berkshire Quartet1
- Bernard, Paul (Violinist)2
- Bernsohn, Lorin2
- Bernstein, Leonard, 1918-19905
- Bernstein, Norman, (Trombonist)1
- Bertchume, Gary Joseph1
- Bertelson, Harold1
- Bezanson, Philip, 1916-19751
- Biddlecome, James1
- Bielawa, Herbert1
- Bingham, Seth, 1882-19721
- Binkerd, Gordon, 1916-20031
- Birdwell, Edward R1
- Birnbaum, Mark J., 1952-1
- Black, Marjory1
- Blaisdell, Frances, 1912-20091
- Bland, William, 1947-1
- Blankstein, Mary Freeman, 1931-1
- Bloch, Ernest, 1880-19591
- Blustine, Allen4
- Bolaños, César1
- Bolcom, William1
- Bonacini, Renato1
- Bonneton, Claude1
- Booth, Alan, 1924-19961
- Boston Symphony Orchestra2
- Boulez, Pierre, 1925-20162
- Boutilier, Tom2
- BowArt Quartet1
- Brant, Henry, 1913-20082
- Bregman Electronic Music Studio2
- Brehm, Alvin2
- Brevig, Per1