WARNING!! - NSFW!!!
Not really into thier music that much, but any self-respecting metalhead's gotta admit that Gorgoroth's live show is spectacular:
http://www.gorgoroth.kom.pl/galeria/screen57.jpg
spikes, blood, sheep heads, fire, inverted pentagrams, razorwire, crucified naked chicks, cops shutting you down - what else could you ask for???