Where can I find good MIDI music that I can use freely in my game?

goto www.midifarm.com. It has tons of songs, all in midi. Most of them are real songs, but you might be able to find something to use. Also, search for copyright free music.

"YOU APES WANNA LIVE FOREVER?" Starship Troopers by Robert A. Heinlein
"Who wants to live forever?" Queen
"Never trust a bald barber" me
B^)