Iron Maiden vs. Metallica (many will disagree but I don't give a shit)
NiN vs. Avenged Sevenfold
Cream vs. Velvet Underground
As I Lay Dying vs. Bullet for My Valentine
Red Hot Chilli Peppers vs. Guns and Roses
Beatles vs. The Who
Motley Crue vs. Korn
Tower of Power vs. Earth, Wind, and...