Free mp3/wav sites?

[Risingson]

Anyone know any LEGIT free mp3/wav sites. Like open source but for music.

Im looking for some random tunes and riffs to play along to on the drums. Google search blows with so many stupid sites w/ popups.

[Gogeta]

http://www.soundclick.com/

That is an old one, I don't really know how good it is.