If you look on YouTube, you find some weird Stepmania customs that people have made.

--Negima! opening--
http://www.youtube.com/watch?v=C3dika8mlmE

--Negima! ending 2--
http://www.youtube.com/watch?v=yWMMZwfO0zc

Do the Chamo march in double-time (as seen in the second link)! :D