Songs I know so far:
-Forrest Griffin -"I'm Shipping Up To Boston" by Dropkick Murphys
-Rampage Jackson - "Can't Be Touched" by Body Headbangerz Ft. Roy Jones Jr
-Frank Mir "Hate Me Now" by Nas
-Chuck Liddell "Intro" by DMX
-Brock Lesnar "Enter Sandman" by Metallica