| Akofa Akoussah | 1 | 1 |
| Akron/Family | 1 | 1 |
| Aksak Maboul | 1 | 1 |
| Akufen | 2 | 1 |
| Al Basim | 1 | 1 |
| Al Cohn | 40 | 1 |
| Alain Goraguer | 1 | 1 |
| Alan Hawkshaw | 1 | 1 |
| Alan Loveday | 2 | 1 |
| Alan Palomo | 1 | 1 |
| Alan Vega | 19 | 1 |
| Alan Walker | 5 | 1 |
| Alaska y Dinarama | 5 | 1 |
| Alastair Galbraith | 18 | 1 |
| Alastair Willis | 1 | 1 |
| Albany | 2 | 1 |
| Albert Collins | 13 | 1 |
| Albert King | 21 | 1 |
| Albert Tétard | 3 | 1 |
| Alberta Cross | 1 | 1 |
| Alcione | 1 | 1 |
| Alcolirykoz | 5 | 1 |
| Aldemaro Romero | 8 | 1 |
| Aldo Brizzi | 1 | 1 |
| Alec K. Redfearn and the Eyesores | 1 | 1 |
| Alec Toku Whiting | 0 | 1 |
| Alek Rein | 1 | 1 |
| Aleksei Podat | 0 | 1 |
| Alela Diane | 1 | 1 |
| Alenka Pinterič | 1 | 1 |
| Alex Anwandter | 5 | 1 |
| Alex Brown | 0 | 1 |
| Alex Cline | 1 | 1 |
| Alex Porat | 0 | 1 |
| Alex Reece | 2 | 1 |
| Alex Somers | 5 | 1 |
| Alex Turner | 0 | 1 |
| Alex da Kid | 1 | 1 |
| Alexander O’Neal | 1 | 1 |
| Alexandra Stan | 6 | 1 |
| Alexia Avina | 1 | 1 |
| Alfred 23 Harth | 13 | 1 |
| Alfred Wallenstein | 12 | 1 |
| Alfredo Zitarrosa | 1 | 1 |
| Alhaji K. Frimpong | 1 | 1 |
| Alice Sara Ott | 12 | 1 |
| AlicebanD | 1 | 1 |
| Alim Qasimov | 3 | 1 |
| Alison Shearer | 1 | 1 |
| Aliyah’s Interlude | 0 | 1 |
| Alkaline Trio | 12 | 1 |
| All Natural Lemon & Lime Flavors | 1 | 1 |
| All Traps on Earth | 1 | 1 |
| Allan Bryant | 1 | 1 |
| Allan Holdsworth | 0 | 1 |
| Allo Darlin’ | 4 | 1 |
| Ally May | 1 | 1 |
| Almach | 1 | 1 |
| Aloe Blacc | 6 | 1 |
| Alogte Oho and his Sounds of Joy | 1 | 1 |
| Alon Mor | 1 | 1 |
| Alonzo Cruz | 1 | 1 |
| Altar of Plagues | 1 | 1 |
| Altercation | 0 | 1 |
| Alton Ellis | 2 | 1 |
| Alvin Curran | 3 | 1 |
| Aly & AJ | 1 | 1 |
| Amadou Balaké | 1 | 1 |
| Amaia | 3 | 1 |
| Amaia Miranda | 1 | 1 |
| Amalgamated Sons of Rest | 1 | 1 |
| Amanaz | 1 | 1 |
| Amazing Blondel | 10 | 1 |
| Amber Pacific | 1 | 1 |
| Amble Skuse | 1 | 1 |
| Ambrose Akinmusire | 2 | 1 |
| Ambrose Reynolds | 1 | 1 |
| Ambulance LTD | 1 | 1 |
| Amebix | 1 | 1 |
| American Contemporary Music Ensemble | 5 | 1 |
| Amidst the Grave's Demons | 0 | 1 |
| Amira Elfeky | 0 | 1 |
| Amoeba | 4 | 1 |
| Amoebic Ensemble | 1 | 1 |
| Amon Amarth | 13 | 1 |
| Amor Muere | 1 | 1 |
| Amorphis | 16 | 1 |
| Amorroma | 1 | 1 |
| Ampl:tude | 1 | 1 |
| Amps for Christ | 2 | 1 |
| Amuleto | 1 | 1 |
| Amy Lee | 0 | 1 |
| Amy Rigby | 1 | 1 |
| Amy Rose Mills | 1 | 1 |
| An Autumn | 1 | 1 |
| An Triskell | 1 | 1 |
| Ana Popović | 12 | 1 |
| Ana Roxanne | 1 | 1 |
| Anajo | 1 | 1 |
| Analogy | 0 | 1 |