Whats this track?

Hi

I Wondered if you could help me out track down a track name... Have a look at this Taekwondo vid @

http://www.youtube.com/watch?v=PqYCNSH-Wjo&search=taekwondo

...Any ideas what the backing tune is? Hope ya can help - Thanks - Skool.

The word pirahna, is all I can think of that rhymes with marijuana

Marijuana MUST be legalized.