I listen to all kinds of music, but metal would be my favorite... Alt, Folk, Goth, Heavy, Pagan, Power, Prog, Symphonic, and Viking metal are all in the spectrum of what I like.
As for some favorite bands...
A Perfect Circle, Aria, Chevelle, Crom, Disturbed, Dragonland, Dream Evil, Epica, Firewind, Five Finger Death Punch, Godsmack, HammerFall, Kamelot, Kipelov, Masterplan, Metallica, Primal Fear, Rammstein, Slipknot, Sonata Arctica, Staind, Stratovarius, Timeless Miracle, Tool, Týr, and Within Temptation just to name a few.