| 1 | AA–VV |
| 2 | Abba |
| 3 | Mario Abbate |
| 4 | Rabih Abou–Khalil |
| 5 | Ronney Abramson |
| 6 | Abraxis |
| 7 | Abus Dangereux |
| 8 | Accademia |
| 9 | Ace |
| 10 | Acidente |
| 11 | Adamo |
| 12 | Bryan Adams |
| 13 | Barry Adamson |
| 14 | Cannonball Adderley |
| 15 | Addison Project |
| 16 | Addrisi Brothers |
| 17 | Adele |
| 18 | Aditus |
| 19 | Aerosmith |
| 20 | Affirmation |
| 21 | African head charge |
| 22 | Aftermath |
| 23 | Agathorn |
| 24 | Aguaviva |
| 25 | Caroline Aiken |
| 26 | Air Condition |
| 27 | Haruhi Aiso |
| 28 | Jan Akkerman |
| 29 | Alabama |
| 30 | The Alan Parson project |
| 31 | The Alarm |
| 32 | Al Bano |
| 33 | Al Bano & Romina Power |
| 34 | Albero Motore |
| 35 | Eef Albers |
| 36 | Albion Band |
| 37 | Albion Country Band |
| 38 | Steinar Albrigtsen |
| 39 | Al Darawish |
| 40 | Aleph |
| 41 | Alex Oriental Experience |
| 42 | Alexander Skye Band |
| 43 | Alexandrov Boris dir. |
| 44 | The Alexandrov ensemble |
| 45 | Jerry Alfred & The Medicine Beat |
| 46 | Pat Alger |
| 47 | Alice |
| 48 | Alive And Kicking |
| 49 | Henry Allen |
| 50 | Henry Red Allen |
| 51 | Terry Allen |
| 52 | Terry Allen & The Panhandle Mystery Band |
| 53 | Red Allen, Kid Ory & Jack Teagarden With J.C. Higginbotham, Buster Bailey & Cozy Cole |
| 54 | The Alley Cats |
| 55 | Alliance |
| 56 | Mose Allison |
| 57 | The Gregg Allman Band ‎– I'm No Angel |
| 58 | The Allman Brothers Band |
| 59 | Herb Alpert |
| 60 | The Alpha Band |
| 61 | Alpha centauri |
| 62 | Gli Alunni Del Sole |
| 63 | Amazing Blondel |
| 64 | The Amazing Blondel |
| 65 | The Amazing Rhythm Aces |
| 66 | Ambrosia |
| 67 | Amen Corner |
| 68 | America |
| 69 | Albert Ammons Rhythm Kings |
| 70 | Amon Duul II |
| 71 | Marcel Amont |
| 72 | Marcel Amont E... Don Nicola |
| 73 | Tori Amos |
| 74 | Ananga–Ranga |
| 75 | Ananta |
| 76 | Eric Andersen |
| 77 | Ion Anderson |
| 78 | Jon Anderson |
| 79 | Laurie Anderson |
| 80 | Andrea True Connection |
| 81 | Androméda |
| 82 | Angelo E I Suoi Angeli |
| 83 | Darol Anger – Barbara Higbie |
| 84 | Anima |
| 85 | Animal Nightlife |
| 86 | Paul Anka |
| 87 | Another Roadside Attraction |
| 88 | Anthrax |
| 89 | Antoine |
| 90 | Biagio Antonacci |
| 91 | Antropos |
| 92 | Anzen Band |
| 93 | Aphrodite's Child |
| 94 | Apothecary |
| 95 | Apprentice |
| 96 | April Wine |
| 97 | Aquarium Rescue Unit |
| 98 | Aquelarre |
| 99 | Aragorn & Costanze |
| 100 | Renzo Arbore L'Orchestra Italiana |
| 101 | Dan Ar Bras |
| 102 | Arcane V |
| 103 | Ar Craft |
| 104 | Area |
| 105 | Maurizio Arena |
| 106 | Argent |
| 107 | Nicola Arigliano |
| 108 | The Aristocrats |
| 109 | Louis Armstrong |
| 110 | Joan Armatrading |
| 111 | Louis Armstrong |
| 112 | Louis Armstrong And The All Stars |
| 113 | Arti + Mestieri |
| 114 | Richard Ashcroft |
| 115 | Tony Ashton & Jon Lord |
| 116 | Asia |
| 117 | Tony ù Astarita |
| 118 | Ataraxia |
| 119 | Ben Atkins |
| 120 | Chet Atkins And Merle Travis |
| 121 | Atlanta Rhythm Section |
| 122 | Atlantide |
| 123 | Atmospheres |
| 124 | Atomic Rooster |
| 125 | A Train |
| 126 | Attention Deficit |
| 127 | René Aubry |
| 128 | Audiosynchrocy |
| 129 | Auf der Maur |
| 130 | Brian Auger |
| 131 | Auracle |
| 132 | Avant Garden |
| 133 | Average White Band |
| 134 | Piccola Orchestra Avion Travel |
| 135 | Hoyt Axton |
| 136 | Albert Ayler |
| 137 | Adriano Adriano Celentano / I Ragazzi Della Via Gluck |
| 138 | Amigos |
| 139 | AA – VV |
| 140 | Anderson Bruford Wakeman Howe |