From what I can remember:
Nails Of Imposition - "The Philosopher" (Death)
Mhorgl - "Spirit Crusher" (Death), "Kill Again" (Slayer)
I think Bereavement performed a Nazxul cover as well, I'm not sure. Most of them will be listen on the previous pages of this thread.
Also Bec, I think you're confusing a lack of class with a lack of shame, which Munchkin has in spades.