See these popular YouTube performances:-

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

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

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