| 583. Black Thought of The Roots | Featured Artist | 1 |
| 583. Black Uhuru | Featured Artist | 1 |
| 583. Blaise Hearn | Trumpet | 1 |
| 583. Blake Cascoe | Drums, Percussion, Vocals | 1 |
| 583. Blake Cross | Sax | 1 |
| 583. Blakely | Vocals | 1 |
| 583. Blakley | Background Vocals | 1 |
| 583. Blanca Castilo | Musician | 1 |
| 583. Blanche Israel | Cello | 1 |
| 583. Blind Pilot | Featured Artist | 1 |
| 583. Bloc Party | Featured Artist | 1 |
| 583. Blood Orange | Featured Artist | 1 |
| 583. Blue Man Group | Featured Artist | 1 |
| 583. Blue Rondo | Keys, Piano | 1 |
| 583. Bluu Suede | Background Vocals | 1 |
| 583. Bly Wallentine | Bass, Rainstick, Vocals | 1 |
| 583. Blöthar the Berserker | Vocals | 1 |
| 583. Bo Lark | Fiddle, Voice | 1 |
| 583. Bo Lucas | Vocals | 1 |
| 583. Bob Boilen's Favorite | Featured Artist | 1 |
| 583. Bob James | Piano | 1 |
| 583. Bob Kildea | Guitar, Vocals | 1 |
| 583. Bob Lanzetti | Guitar | 1 |
| 583. Bob Mothersbaugh | Guitar, Vocals | 1 |
| 583. Bob Mould | Featured Artist | 1 |