In a recent interview, Moby talks about licensing some of his music free for non-commercial use in indie films:

MOBY: Well, when I went to university, I was a philosophy major, but because I'm not very bright I chose to study philosophy at a performing arts school, maybe because the philosophy program there wasn't too rigorous or challenging. And at school I made a lot of friends in the independent film world. They have always complained to me that the most difficult part of making a film is actually licensing the music because they have to deal with record companies and publishing companies who don't want to return their calls. It's also expensive and onerous and time-consuming.

So I started this Web site, mobygratis.com, which very simply gives away free music to indie filmmakers, nonprofit filmmakers and experimental filmmakers. Right now I've got about 70 pieces of music up, and any filmmaker can go there and download the music and use it in their film.