Lamb of God, SlipKnot, Hate Breed, Mudvayne, Devil Driver, Unearth, Pantera, Tool, Machine Head, old Metallica, King Diamond, Merciful Fate, Fates Warning, Sepaltura, Pantera, Megadeth, Judas Priest, Iron Maiden, Black Sabbath, Slayer. I'm sure there is more. You get my point.