RiP: A Remix Manifesto

I went to a screening of this movie a while ago with a little conference of completely different but related people talking on the subject of copyright and music, discussing the undefinable rights and wrongs, and it went hand-in-hand with this movie perfectly. 

If you want to learn a lot about copyright, the history of music, or just want to watch a really good documentary on Girl Talk's music, here it is in its entirety.