Couple of songs you could use

[Insanity]

And its none of that poser **** either.

Amon Amarth - Versus The World
Dying Fetus - Unadulterated hatred
As Blood Runs Black - My Fears have Become Phobias
Chimaira - Nothing Remains
Nile - Black Seeds of Vengeance
Emmure - When Keeping it Real Goes Wrong
Gojira - Backbone
Naglfar - The Perpetual Horrors
Six Feet Under - The Edge of the Hatchet
Slayer - Eyes of the Insane
The Acacia Strain - Predator; Never Prey
The Berzerker - Forever