| 570. Antonio Zepeda | Tuba | 1 |
| 570. Antony Granados | Keyboard | 1 |
| 570. Antwan "Ace" Daniels | Vocals | 1 |
| 570. Anwar Sawyer | Keys, Musical Direction | 1 |
| 570. Aoife O’Donovan | Acoustic Guitar, Vocals | 1 |
| 570. Apache | Guest Vocals | 1 |
| 570. Aquiles Navarro | Synth, Trumpet | 1 |
| 570. Arborea | Featured Artist | 1 |
| 570. Archie "Hubbie" Turner | Keyboard | 1 |
| 570. Archie "Snoop" Pearson | Bass | 1 |
| 570. Archie Avantgarde | Trumpet | 1 |
| 570. Archie Knuckles | Trumpet | 1 |
| 570. Arecio Smith | Keys | 1 |
| 570. Arei Sekiguchi | Foot Drum, Timbales | 1 |
| 570. Ari Burns | Trumpet | 1 |
| 570. Ari O'Neal | Guitar | 1 |
| 570. Ari Shapiro's Favorite | Featured Artist | 1 |
| 570. Ari Teitel | Guitar, Vocals | 1 |
| 570. Aria Cheregosha | Viola | 1 |
| 570. Arianna Powell | Guitars | 1 |
| 570. Arianne Urban (Violin) | Musician | 1 |
| 570. Ariel Byrd | Violin | 1 |
| 570. Ariel O'Neal | Guitar | 1 |
| 570. Arlo Parks | Lead Vocals | 1 |
| 570. Armando Martínez | Guitar, Vocals | 1 |