Total Musicians: 3250
| Musician | Instrument |
| Unknown | |
| 9 Horses | group |
| Juhani Aaltonen | tenor saxophone |
| David Aaron | tenor saxophone |
| Irving Aaronson | conductor |
| Eivind Aarset | guitar |
| Rez Abassi | guitar, sitar-guitar |
| Mike Abbott | guitar |
| Tom Abbs | bass, tuba |
| Susanne Abbuehl | vocals |
| Ahmed Abdul-Malik | bass, oud |
| Ahmed Abdullah | trumpet |
| John Abercrombie | guitar |
| Lennart Aberg | alto flute, soprano saxophone, tenor saxophone |
| Rabih Abou-Khalil | oud |
| Ladd's Black Aces | group |
| Petra Ackermann | viola |
| Bruce Ackley | soprano saxophone, tenor saxophone |
| Terry Adams | piano |
| Steve Adams | alto flute, alto saxophone, baritone saxophone, bass clarinet, bass flute, clarinet, flute, sopranino saxophone, soprano saxophone, synthesizer, tenor saxophone |
| Pepper Adams | baritone saxophone |
| Cannonball Adderley | alto saxophone |
| Nat Adderley | cornet |
| Michael Adkins | tenor saxophone |
| Stan Adler | cello |
| Matt Adomeit | bass |
| Irene Aebi | cello, violin, vocals |
| Sophie Agnel | piano |
| Lefteris Ahgouridakis | percussion |
| Kyle Aho | piano |
| Oskar Aichinger | piano, synthesizer |
| Noel Akchote | guitar |
| Pheeroan AkLaff | drums |
| Frederic Alarie | bass |
| Tim Albright | trombone |
| Howard Alden | guitar |
| Mats Aleklint | bass trombone |
| Ralph Alessi | trumpet |
| Aaron Alexander | drums, percussion |
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26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77
78 79 80 81 82