Artist Nate Harrison produced a 20-minute video exploring the history of the "Amen Break," taken from the song "Amen, Brother" by the Winstons in 1969. He goes onto show how this 6-second break has been used in hundred of hip hop, techno and jungle records. He also delves into the issues of copyright and appropriation. A couple of points caught my attention:
"Not only does the innovation within a culture grow when copyright is flexible, so does its markets and capital."
"Culture is impossible without a rich public domain."
This video is well worth its 20-minute run time.
Finally, a hat tip to Dr. Lester Spence at Johns Hopkins for bringing it to my attention on his blog.