Need motivation?
The Last of the Mohicans OST
Audioslave
Gorillaz
Red Hot Chili Peppers
Jpop makes me happy (I listen to more anime related songs)
Yoko Kanno alone can keep you occupied for weeks
Joe Hisashi (of Miyazaki fame)
Kpop has good eye candy
BoA
Credence Clearwater Revival
Bob Marley
The Beatles
Rammstein (it builds)
KMFDM
Aphex Twin
Johnny Cash (old or new its still good)
Classical music by Mozart or Beethoven, Chopin
Beastie Boyz
The list goes on and on.