BBC + Stylophone

You might want to look at this stuff from a not necessarily music related blog that I frequent.  This stuff is music related, but most of their stuff is not. >>>

http://www.retrothing.com/2009/10/the-great-bleep-forward.html

and this.  this is around 9 minutes long, but you should watch the whole thing >>>

http://www.retrothing.com/2009/10/stylophone-beatbox-demo-video.html