Here are four more really good ones:

http://www.zelaron.com/gear/Parallax-Loader.mid
http://www.zelaron.com/gear/DC4intro.mid
http://www.zelaron.com/gear/escape_newyork.mid
http://www.zelaron.com/gear/spinach.mid

"Stephen Wolfram is the creator of Mathematica and is widely regarded as the most important innovator in scientific and technical computing today." - Stephen Wolfram