- Aardvark
- Mick Abrahams (Band)
- Mike Absalom
- Accolade
- Ace
- The Action
- Affinity
- Agnes Strange
- The Amazing Blondel
- Ancient Grease
- Miller Anderson
- Andromeda (UK)
- Andwellas Dream
- The Animals
- Anno Domini
- The Apple
- The Applejacks (UK)
- Arc
- Arcadium
- Argent
- Armageddon (UK)
- Art
- The Artwoods
- Asgard
- Ashkan
- Atomic Rooster
- The Attack
- Aubrey Small
- Audience
- A.B. Skhy
- Aerosmith
- After All
- Afterglow
- Agape
- The Age Of Reason
- Aim
- Alamo
- Gordon Alexander
- The Alexander Rabbit
- Alexander’s Timeless Bloozband
- Aliota Haynes Jeremiah
- The Allman Brothers Band
- Gregg Allman
- All Of Thus
- All Saved Freak Band
- The Amboy Dukes
- Ambrosia
- America
- American Blues
- American Eagle
- The American Dream
- Al Anderson
- Angel
- The Angels
- Anonymous
- Ant Trip Ceremony
- Aorta
- Appaloosa
- The Applepie Motherhood Band
- The Appletree Theatre
- The Arkay IV
- Armageddon (USA)
- The Art Of Lovin
- The Ashes (USA)
- The Asylum Choir
- Atlee
- Autumn People
- Azitis
