Here's some hip hop entrance music
Three Six Mafia - Who Run it
The Lox - Wild Out
http://www.youtube.com/watch?v=QMM1uwT0cqA
Trick Daddy - Shut Up
http://www.youtube.com/watch?v=TwM6zzvhdfs
Ice Cube - The Predator
http://www.youtube.com/watch?v=8IFOcybFyNw...feature=related
Wu-Tang Clan - Bring The Ruckus
Public Enemy w/Anthrax - Bring The Noise
http://www.youtube.com/watch?v=RBA-xi8WuCU