- Asuar, José Vicente, 1933-1
- Atkins, John (Pianist)1
- Auchter, Norma Holmes, 1922-1
- Audio Engineering Society1
- Austin, Larry1
- Auzin, Norma1
- Avallon1
- Avins, Styra1
- Avshalomov, Jacob, 1919-20133
- Azmon, Shmuel1
- Babbitt, Milton, 1916-201181
- Bach, Johann Sebastian, 1685-17501
- Bachmann, Ingeborg, 1926-19731
- Bacon, Ernst, 1898-19901
- Badings, Henk, 1907-19876
- Bagger, Louis3
- Baker, John, 1911-1
- Baksa, Robert F1
- Balaban, Emanuel, 1895-19731
- Balada, Leonardo, 1933-1
- Baldini, Edmond2
- Ballou, Esther Williamson, 1915-19732
- Banat, Gabriel1
- Bank, Danny1
- Banks, Don, 1923-19801
- Barab, Seymour7
- Barak, Ann1
- Barber, Julian1
- Barber, Samuel, 1910-19814
- Barlow, Samuel L. M. (Samuel Latham Mitchill), 1892-19824
- Barlow, Wayne, 1912-19962
- Baron, Samuel, 1925-199715
- Barra, Donald1
- Barron, Bebe1
- Barron, Louis, 1920-19892
- Barrows, John, 1913-19741
- Bartlett, Eric1
- Bartlett, Wesley1
- Bartók, Béla, 1881-19451
- Bartók, Béla, 1881-19451
- Barzun, Jacques, 1907-20121
- Bashor, Phillip1
- Basney, Eldon1
- Bassett, Leslie, 1923-20161
- Basson, Edmond, 1933-20091
- Bauch, Ethan, -20051
- Baudelaire, Charles, 1821-18671
- Bauer, Marion, 1882-19551
- Baum, Gerald1
- Bauman, Alvin4
- Baumel, Herbert, 1919-20104
- Bavicchi, John, 1922-20121
- Bayle, François, 1932-2
- Beal, John (Bassist)1
- Beardslee, Bethany17
- Beaux-Arts String Quartet1
- Beckenstein, Ray1
- Beebe, Howard1
- Beecroft, Norma1
- Beerman, Burton, 1943-1