Peep this documentary about sampling in hip hop, its legal implications and its artistic merit.

[flashvideo file=http://www.youtube.com/watch?v=URkqk1xoiPI&feature=player_embedded /]

[flashvideo file=http://www.youtube.com/watch?v=mZpeuGNtiy0&feature=player_embedded /]

[flashvideo file=http://www.youtube.com/watch?v=ax2RDNfMk9c&feature=player_embedded /]

[flashvideo file=http://www.youtube.com/watch?v=uBzeTcA9NXs&feature=player_embedded /]