I have released my 1439 instrumental pieces free under creative commons 3.0 by (Free to use in your games, videos or whatever. Just credit me Antti Luode.)
As used in games:
Taphouse VR (PC, early access on Steam), Starship theory (Steam), Park Bound (steam), Dominya Void by Forcebox Games (Pc...
I uploaded instrumental versions of my songs at:
http://www.soundclick.com/bands/default.cfm?bandID=1277008&content=music
They used to have vocals so some might be a little sparse..
Antti