Whistler

When I was first watching the new Muppets movie, I got to this segment:

http://www.youtube.com/watch?v=qrkIxTYymyE (embedding was disabled).

and I thought to myself, "That's fairly impressive.  I wonder if it's just a synthesizer, or if someone's playing a flute or something."

Apparently, not so much.  That virtuoso whistling was instead the legitimate work of one Andrew Bird.

It was probably cleaned up a bit, studio performance and all, but still.  That's freaking amazing.