Tenacious D, Grohl, Homme Do Somersaults, Invoke Satan For Hurricane Relief
Hollywood concert also features comedians David Cross, Sarah Silverman.
Foo Fighter Dave Grohl Says Physical Graffiti Was Model For New LP
Album includes both 'super heavy' and 'delicate' songs.
Dave Grohl Reveals Details About Foo Fighters Double Album
In Your Honor slated for June release; world tour in the works.