metallica
megadeth
kreator
slayer
dethklok
tool
anthrax
helloween
disturbed
sabaton
black sabbath
cannibal corpse
six feet under
death angel
godsmack
iron maiden
lamb of god
system of a down
pantera
rammstein
rob zombie
sepultura
scum of the earth
slipknot
static-x
testament
i could go on but i think this is good for now