Well, it's entirely dependant on Genre. I'll go vague.
Rock:
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Foo Fighters, Rise Against, Van Halen, Linkin Park, Led Zeppelin, Evanescence, A.F.I., Bush, AC/DC, Beatles, Aerosmith, Bedouin Soundclash, Queen, Billy Talent, Plain White T's, Red Hot Chili Peppers, Our Lady Peace, All-American Rejects, Guns N' Roses, Marianas Trench, Breaking Benjamin, Black Crowes, Muse, Alexisonfire, Billy Idol, Kansas.
Alternative&Metal
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Tool, Bring Me The Horizon, Genghis Tron, Job For A Cowboy, Emmure, Smashing Pumpkins, the Cranberries, Nightwish, Lacuna Coil, Within Temptation, Metallica, Megadeth, Iron Maiden, Liquid Tension Experiment, Dream Theater, Lamb of God, From First to Last, Disturbed, Bullet for My Valentine, Avenged Sevenfold.
I also like a great deal of Techno & Country, with some rap/hip-hop. I'm not going to list 'em all. :P
Favorite bands?
