oh dang where to start. Let's see...Pink Floyd, Coheed and Cambria, Panic! at the Disco, Alan Parsons Project, Foghat, David Bowie, Sweet, Motion City Soundtrack, Mindless Self Indulgence, Postal Service, Infected Mushroom, Imogen Heap, Frou Frou, Kidney Theives, The Spill Canvas, Billie Holiday, Queensryche, The Guess Who, The Who, Dave Navarro, Gorillaz, Tenacious D, My Chemical Romance, Prince, Michael Jackson, Blondie, Tool, Orgy, Eisbrecher, Cradel of Filth, Billy Idol, The Beatles, Incubus, Lucuna Coil, Sublime, Pantera, Aerosmith, H.I.M, Kansas, White Snake, Judas Preist, Alice Cooper, Led Zeppelin, Breaking Benjamin, Korn, Slipknot, Death Cab for Cutie, Nine Inch Nails, Prodigy, Queen, Sevendust, Seether, Wild Cherry, Rammstein, Velvet Acid Christ, 311, AC/DC, Angel fish, Alien Ant Farm, Green Day, Apocalyptica, Bestie Boys, Billy Joel, Black Sabbath, Blink 182, The Bloodhound Gang, Blue Oyster Cult, Superbus, Bob Marley, Bullet For My Valentine, Burn The Sky, Cake, Cheap Trick, Coal Chamber, Cranberries, CCR, Def Leppard, Deftones, Disturbed, Evanescence, Flogging Molly, Freezepop, Hell Yeah, Iron Maiden, Jimi Hendrix, Journey, Killswitch Engage, Marilyn Manson, Metallica, Metric, Paramore, Midnight Oil, Motorhead, Motley Crue, Muse, Nirvana, Red Hot Chili Peppers, She Wants Revenge, Smashing Pumpkins, Tool, System of A Down, Van Halen, Queen of The Damned Soundtrack over and over again, Classical, Opera, New age, Some Hip Hop and R&B, Pop ocassionaly too. There's so much more! That's at least half though.