Who knows this song??

[I.D.C]

I need some help... i'm trying to figure out the name of this song. Who the hell made this sick shit?? It's deffinitly the illist most undergound westcoast track i've ever heard in my life 9:|6

http://download.yousendit.com/EB3F8CB07CF1BEEF (http://download.yousendit.com/EB3F8CB07CF1BEEF)

Big thanks in advance!