Here are some cool midi files
Blister-Violent Femmes
Cantina-Star Wars
Theme from halloween
Mortal Kombat
One-Metallica
Fuel-Metallica
Enter sandman-Metallica
Seek and Distroy-Metallica
Simpsons Theme
Tales form the crypt
Woohoo-Blur
Rollercoster-Redhot Chilli Peppers
Higher Ground-Redhot Chilli Peppers
Aeroplane-Redhot Chilli Peppers
The Meaning of Life-Offspring
All I Want-Offspring
Hell-Squirrel Nut Zippers