- 1 Artie Shaw & His Orchestra
- 2 Arcadia Quartet
- 3 A Thousand Horses
- 4 AUN
- 5 Ataraxia
- 6 Adam
- 7 Almanac
- 8 Arms and Sleepers
- 9 Aexcit
- 10 Afro Bros
- 11 Armon
- 12 Angel Dust
- 13 audiojack
- 14 Argent
- 15 Art Of Dying
- 16 Aly & AJ
- 17 Apo
- 18 Ash
- 19 Arditti Quartet
- 20 Arsenik
- 21 Adnauseam
- 22 Above & Beyond
- 23 AR/CO
- 24 ALTÉGO
- 25 ARZ
- 26 AVAO
- 27 Anomaly
- 28 Atjazz
- 29 Antaeus
- 30 As It Is