Hi,
Just completed a My Music World Toy Keyboard, check out the pics and video demo here :
http://allthebeesaredead.blogspot.com/2011/05/bendinator-4-circuit-bent-keyboard.html (http://allthebeesaredead.blogspot.com/2011/05/bendinator-4-circuit-bent-keyboard.html)
It has 3 body contacts, Pitch a/b, Sounds button, Reset and an Egg button.