Magnatune: free MP3 music and music licensing (royalty free music, production music and license music).

http://magnatune.com/
We call it "try before you buy." It's the shareware model applied to music. Listen to 525 complete MP3 albums from musicians we work with (not 30 second snippets).
We let the music sell itself, because we think that's the best way to get you excited by it.
We pick the best submissions from independent musicians so you don't have to.
If you like what you hear, download an album for as little as $5 (you pick the price), or buy a real CD, or license our music for commercial use. And no copy protection (DRM), ever.
Artists keep half of every purchase. And unlike most record labels, they keep all the rights to their music.
No major label connections.
We are not evil.