"Wide Awake" by Lacuna Coil
http://www.youtube.com/watch?v=JkOI7XNdBz8
"Imperium" by Machine Head
http://www.youtube.com/watch?v=zPFPRSZDXp0
"Silent Night, Bodom Night" by Children Of Bodom(I love the opening)
http://www.youtube.com/watch?v=E-bCcsXYigk
"Raining Blood" by Slayer
http://www.youtube.com/watch?v=vyBIkEeogq4
"The Last Goodbye" by Lacuna Coil(the best song, in my opinion, off "Shallow Life")
http://www.youtube.com/watch?v=emcNMjyLMUs
I have more, that's just some.