Real life musical Multiboxing (vocals)

This is pure talent.

http://www.youtube.com/watch?v=lk5_OSsawz4

Pretty awesome.

Here's another one (guitar dual-boxing):
http://www.youtube.com/watch?v=i4BYMvVvMg0

And this is why I don't play a mixed setup:
http://www.youtube.com/watch?v=Y7T0N-w3L0M

Here you have a guy who's multiboxing a guitar. He is playing the base-part, melody, chords, percussion while singing House of the rising sun.

(After the guitarsolo there is a "percussionsolo", definately worth waiting for)
http://www.youtube.com/watch?v=WIWSVTaytOw