| Arinka i Tingl Tangl | 1 | 1 |
| Arjen Lucassen’s Supersonic Revolution | 1 | 1 |
| Arkells | 1 | 1 |
| Arlette | 1 | 1 |
| Armenian Navy Band | 1 | 1 |
| Arm’s Length | 1 | 1 |
| Arppa | 1 | 1 |
| Arsedestroyer | 1 | 1 |
| Art | 1 | 1 |
| Art Brut | 6 | 1 |
| Art Farmer | 62 | 1 |
| Art Garfunkel | 11 | 1 |
| Art Lown | 1 | 1 |
| Art Pepper | 54 | 1 |
| Art Pepper Quintet | 1 | 1 |
| Art of Noise | 7 | 1 |
| Artesia | 1 | 1 |
| Arthur Blythe | 29 | 1 |
| Arthur Brown’s Kingdom Come | 5 | 1 |
| Arthur Rubinstein | 174 | 1 |
| Arthur Verocai | 1 | 1 |
| Articles of Faith | 0 | 1 |
| Artificial Brain | 1 | 1 |
| Arto Lindsay | 1 | 1 |
| Arythmia | 1 | 1 |
| As Blood Runs Black | 1 | 1 |
| As Tall as Lions | 1 | 1 |
| Asake | 4 | 1 |
| Ascendant Vierge | 1 | 1 |
| Asha Puthli | 1 | 1 |
| Ashanti | 1 | 1 |
| Ashbury | 1 | 1 |
| Ashe | 6 | 1 |
| Ashenspire | 1 | 1 |
| Ashlee Simpson | 3 | 1 |
| Ashley Stafford | 4 | 1 |
| Asia Menor | 2 | 1 |
| Asian Dub Foundation | 12 | 1 |
| Asking For It | 1 | 1 |
| Asko Ensemble | 11 | 1 |
| Assembly | 0 | 1 |
| Astma | 1 | 1 |
| Astral Sounds | 1 | 1 |
| Astroturf Noise | 1 | 1 |
| Asturias | 7 | 1 |
| At Swim Two Birds | 1 | 1 |
| Atados A Un Sentimiento | 1 | 1 |
| Atari Teenage Riot | 1 | 1 |
| Ataxia | 1 | 1 |
| Atheist | 1 | 1 |
| AtomA | 1 | 1 |
| Atomic Rooster | 9 | 1 |
| Atoms for Peace | 1 | 1 |
| Attacca Quartet | 11 | 1 |
| Atticus Ross | 0 | 1 |
| Attila | 1 | 1 |
| Aube | 1 | 1 |
| Audio Two | 1 | 1 |
| Audiofreq | 1 | 1 |
| Audrey Hobert | 1 | 1 |
| Aunt Sally | 1 | 1 |
| Aurora | 1 | 1 |
| Auryn | 4 | 1 |
| Austra | 1 | 1 |
| Automatic | 3 | 1 |
| Autopark | 1 | 1 |
| Ava Luna | 1 | 1 |
| Ava Max | 4 | 1 |
| Avail | 6 | 1 |
| Avalanche Kaito | 2 | 1 |
| Ave Sangria | 1 | 1 |
| Avengers | 0 | 1 |
| Aventura | 5 | 1 |
| Average White Band | 15 | 1 |
| Avi Kaplan | 1 | 1 |
| Avishai Cohen | 4 | 1 |
| Avishai Cohen Trio | 1 | 1 |
| Awesome | 1 | 1 |
| Axel Dörner | 5 | 1 |
| Axiom Funk | 1 | 1 |
| Axwell Λ Ingrosso | 1 | 1 |
| Aya Metwalli | 0 | 1 |
| Ayax | 1 | 1 |
| Aych | 1 | 1 |
| Ayuo | 1 | 1 |
| Azmari | 1 | 1 |
| Azougue | 1 | 1 |
| Azymuth | 2 | 1 |
| A·B·G·S | 1 | 1 |
| B.G. Knocc Out | 1 | 1 |
| B.o.B | 13 | 1 |
| BAP | 1 | 1 |
| BBC Philharmonic | 325 | 1 |
| BBC Symphony Orchestra | 340 | 1 |
| BLCKK | 13 | 1 |
| BOBBY | 1 | 1 |
| Babadag | 1 | 1 |
| Babes in Toyland | 1 | 1 |
| Babsy Konate | 1 | 1 |
| Babx | 1 | 1 |