http://creativecommons.org/weblog/entry/6072
_ Valleywag: Record companies, it’s finally time for the Creative Commons license _
Practically every online downloading system already comes with a Digital Rights Management lock that limits its use. That same technology could mark music as “pre-approved for performance” – a song that users can play with, dance to, re-record, and post to the Internet with impunity.
Hint: Fair Use.