You can take whatever you want.
I'm pretty sure all of these sounds do not have copywrites. If you think or know one of them does, please tell me!
Sorry, but I can only put MIDIs on here. If you want more music, please go to Hell's Bells. I built it with a friend.
If you want even more music, use this to search.
Teenspirit by Nervana
Lithium by Nervana
Basketcase by Greenday
Theme from The Simpsons
Theme from The X Files.