Robot musician improvises, jams with humans

(Valerie Streit, CNN) The ad might read, "Percussionist wanted, preferably marimba player, for jazz-influenced band. Must be able to improvise, bob head and wear metal." And the perfect candidate? It may be Shimon, a marimba-playing robot that, despite having four arms, is remarkably human.

Click here for a text version of this story