See these popular YouTube performances:-

The Cindy Flute changes colour 12 times as it is played:-  http://www.youtube.com/watch?v=77MuARh165I&feature

A flute is made from a vegetable carrot and played::-  http://www.youtube.com/watch?v=EyAI3EHULRs&feature

Saint-Saens, ‘The Swan’ played on a bicycle pump:-  http://www.youtube.com/watch?v=-r3BNoBD7J0&feature