- The African Episcopal Church of St. Thomas Gospel -- The Afromotive
- The Afromotive -- The Afterthought
- The Aftons -- The Agents
- The Agents -- The Agonist
- The Agony Scene -- The Aisler Set
- The Aislers Set -- The Al Harrison Dixieland Band
- The Al Slack Orchestra -- The Alan Casagrande Quintet
- The Alan Copeland Singers -- The Albertans
- The Alberts -- The Aldeburgh Connection
- The Aldermen -- The Alf Clausen Orchestra & Singers
- The Alfa Binding Theory -- The Alienator
- The Aliens -- The All-Star Hillbillies
- The All Star Orchestra -- The All Stars