Classical Music: Debussy, Chopin Shostakovich, Steve Reich;
Hip Hop: Aim , Tribe, Goodie Mob, Pharcyde, Sage Francis..(oh yeah, cypruss hill )
Rock: (the almighty...) - CLUTCH, Kyuss, NIN, Frank Zappa...
Other: Jazz (Billy Cobham!), Nitin Sawhney, Beck, DRUM AND BASS (all of it).

SOrry, just finished my dissertation and got baked - this is what I'm listening to. If you'll excuse me I need to sit down and dance (maybe lie down...)