http://www.youtube.com/watch?v=MPmhUAzZIJg If you don't like links, it's a nice instrumental to Cruel Angel's Thesis. I can see this on Rock Band... even better, StepMania.
ooh my god when I saw your topic, the only think I could think of was this http://www.youtube.com/watch?v=MHMwxRnh7zs&feature=related oh yeah that cover by Kurikinton Fox I am still eagerly waiting for a bass cover from Tissue Hime ;D