List of bands (3):

Any Given Day
Apocalyptica
Arch Enemy
Architect Of Seth
Archspire
Arion
Arktalas
Armored Saint
Artificial Brain
Artrosis
As I Lay Dying
As The Sun Falls
Ashes of Ares
Ashes Reign
Asking Alexandria
Astral Doors
At The Gates
Atavistia
Atreyu
August Burns Red