I mostly like hard rock and heavy metal, industrial artists: AC/DC, W.A.S.P., Dream Theater, Ministry, Sick Puppy, NIN, Perfect Circle, Megadeth, Linkin Park, Apocalyptica, Metallica, Korn, Sepultura....
Maybe my most favorite band is Megadeth, for all Duke Nukem fans:
YouTube - megadeth - duke nukem theme