For Metal (on the more extreme side)
The Black Dahlia Murder, Skeletonwitch, Between The Buried And Me, Whitechapel and Carnifex.
Mastodon, Red Fang, Gypsyhawk and Cancer Bats
Big Mountain, Rebelution, Soja, Iration, The Dirty Heads, Slightly Stoopid and Michael Franti
Sam Cooke, The Four Tops and The Jackson Five