ccMixter is a community music site featuring remixes licensed under Creative Commons where you can listen to, sample, mash-up, or interact with music in whatever way you want.
Remixers If you’re into sampling, remixing and mash-ups grab the sample packs and a cappellas for download and you can upload your version back into ccMixter, for others to enjoy and re-sample. All legal.
http://ccmixter.org
