SilverWook said:
http://www.thestarwarstrilogy.com/starwars/post/2013/02/07/Star-Wars-and-other-Galactic-Funk
http://www.depthoffieldmagazine.com/2012/07/29/starwarsploitation-sounds-star-wars-on-record-1977-1979/
Wow, I didn't know there were that many. They're truly awful. :-P The "spaced out disco: SW Main Title" is a direct rip-off of Meco's version. He should have sued.