AC/DC - Of course!
Lamb of God - For the ultimate head banger
Children of Bodom - Amazing band - Are You Dead Yet? - Great Album - They have amazing guitar solos! I mean amazing!
Yiruma - Korean Pianist - Some may know him for playing 'River Flows in You' I have all his albums
AFI - Favorite of all time - Waiting impatiently for their new album next year
Hurt - Great Sound Quality and music - Amazing lyrics that have huge meanings in them
Scars on Broadway
System of a Down
I know I'm missing a few of my favorite's but I would also like to include a ton of anime sound tracks XP