Copyright Criminals: a PBS documentary on sampling in hip hop (vids)

Here's the blurb:

Copyright Criminals examines the history and influence of musical sampling, provoking debates about copyright, compensation, and creativity in the age of intellectual property. Featuring remarks from hip-hop and electronica artists as well as George Clinton and ex-James Brown drummer Clyde Stubblefield, whose works have been heavily sampled.

And here are the videos:

And here's where I got it: Nah Right