List of bands (2):

Alien Weaponry
All For Metal
All Out War
All That Remains
Allegaeon
Alluvial
Alter Bridge
Alterium
Amaranthe
Amberian Dawn
Ambush
Amon Amarth
Ancient Bards
Anette Olzon
Angel Tyrs
AngelMaker
Angelus Apatrida
Annihilator
AnomiC
Anthrax