- Tha Boss King -- Thad Ried
- Thad Wheeler -- That Edge Band
- That Fucking Tank -- The 5et
- The 5th Dimension -- The Adopted
- The Adorables -- The All Seeing I
- The All Souls Orchestra -- The American Twisters
- The American Twisters -- The Ants Will Love It
- The Anunnaki -- The A's
- The As-Is Ensemble -- The Avids
- The Avni Gill Glass Ensemble -- The Bald Head
- The Bald & The Beautiful -- The Barolk Folk
- The Baron -- The Beat Soldiers
- The Beat Steaks -- The Ben Grisafi Big Band
- The Ben Gunn Society -- The Big Smoke
- The Big Sound -- The Black N Blues
- The Black Neon -- The Blizzards
- The Blizzards -- The Blues Vultures
- The Blues Wizards -- The Boom Boom Cats
- The Boom Booms -- The Brain People
- The Brain Surgeons -- The Broadside Four
- The Broadside Singers -- The Buddy Collette/Chico Hamilton Sextet