Back to the Beginning Black Sabbath Ozzy Osbourne Metallica Guns N' Roses Slayer Tool Pantera Alice In Chains Gojira Lamb of God Halestorm Anthrax Rival Sons Mastodon Tom Morello (Rage Against The Machine): Performed with multiple groups and artists Nuno Bettencourt (Extreme): Had a five-song set of covers and also performed with       ... Continue Reading →