Check out this video of the Umbilical Brothers, a pair of performers from Australia. The video clip has two acts, the first one performed on Jay Leno, and the second on David Letterman. Both are very different, and quite amazing.
Please note: I've moved my active blogging over to a new site, called Jason Clarke - Infinite Bass Line. I will leave this site up indefinitely, but if you're interested in my latest posts please consider visiting the new site.