Favorite song and why?

Tell me what your favorite song is and why, also give a link to it if
you can.

Mine is: Fiver Finger Death Punch - BulletProof

http://www.youtube.com/watch?v=0TbOPjEGWw4feature=related

It's my favorite song because it gives me a rush. I feel as if I wanna
smash people's faces with a sledge hammer.