"AEE" sent in this interesting musical robot made from recycled and scavenged parts. There is a lot more information on the web site. Be sure to read the "statement" & "background" links to learn more about "Artificial stupidity".
Jazz trash robot is an experimental sound-producing entity made from recycled electro-mechanical components. It is a collection of mechanical sequencers and timers, that can be connected together with various experimental instruments we have made or altered.
Read more about the Jazz Trash Robot
http://blog.makezine.com/archive/2008/05/jazz_trash_robot.html