(Updated June 2012)
CC Mixter – A site to try your hand at mixing and mashing music that is all offered under the CC.
Free Sound – A huge collection of CC licensed sound effects files.
Free Sound Effects Library – Sound effects from movies, tv clips, animals and effects library.
Mevio – A site filling your MP3 player with Creative Commons licensed music, that allows you to discover old and new music alike.
Movie Sound Clips – Audio sound clips from your favorite movies and tv shows.