The song of one of the funiest scene of the anime. As a bassist I used to train my speed and precision with this song, really pleasant to play. And as a listener, I really like the groove of the song, Yôko Kanno(feat. Tulivu-Donna Cumberbatch) sure is a hell of a composer with many talents !

A good Animated Music Video related to that episode :

Another Good one from the same OST :