| The Brooklyn Sax Quartet |
| The Brooklyn Tabernacle Choir |
| The Bros. Landreth |
| The Brosas |
| The BroSis |
| The Brother Brothers |
| The Brother Jack McDuff Quartet |
| The Brother K Melee |
| The Brotherhood & Co. |
| The Brothers |
| The Brothers Bright |
| The Brothers Cazimero |
| The Brothers Four |
| The Brothers Good and an Angel |
| The Brothers Johnson |
| The Brown Balloon |
| The Browne Sisters & George Cavanaugh |
| The Browning |
| The Browns |
| The Browns |
| The Bruce Smith Quintet |
| The Bruce Springsteen Band |
| The Bruises |
| The Brutalists |
| The Bruthers |
| The Bryan Ferry Orchestra |
| The Bryan J. White Quartet |
| The Bryan J. White Trio |
| The Brymers |
| The Bu Harmonics |
| The Bubble Guppies |
| The Buck Pets |
| The Buckaroos |
| The Bucketheads |
| The Buckinghams |
| The Buckle Busters |
| The Buckners |
| The Buckwheat Boyz |
| The Bucky Pizzarelli Trio |
| The Bucolics |
| The Buddha Lounge Ensemble |
| The Buddhist Monks Sakya Tashi Ling |
| The Buddy Cole Quartet |
| The Buffalo Bills |
| The Bug |
| The Bug & Earth |
| The Buggles |
| The Bugs |
| The Buhars |
| The Building |
| The Bulfinch Players |
| The Bullets |
| The Bullocks |
| The Bunch |
| The Bunnies |
| The Bunny Beck Trio |
| The Bunny the Bear |
| The Burden |
| The Burlettes |
| The Burned Witches |
| The Burnette Brothers |
| The Burney Sisters |
| The Burning Hell |
| The Burning Hotels |
| The Burning Season |
| The Burning Sky |
| The Burnout Kids |
| The Burns Sisters |
| The Burt Bacharach Orchestra |
| The BusBoys |
| The Bushwackers |
| The Business |
| The Business Intl |
| The Busking Trail |
| The Bustermoon |
| The Busters |
| The Butchers |
| The Butchies |
| The Butlers |
| The Butterbean Jazz Quartet |
| The Butterfly Effect |
| The Buttertones |
| The Butties |
| The Buzz Jones Band |
| The Buzzards of Fuzz |
| The Buzzhorn |
| The Buzzos |
| The Byrds |
| The Bystanders |
| The C.A. Quintet |
| The C.I.A. |
| The C.O.R.E. |
| The C90s |
| The Cab |
| The Cabriolets |
| The Cactus Blossoms |
| The Cactus Brothers |
| The Cadets |
| The Cadillac Blues Band |
| The Cadillac Three |
