Very creative and impressive and nice to listen to!

(But Tommy Emmanuel can do pretty much the same thing with just his own two hands:

Tommy Emmanuel: Mombasa
The second half of the video shows his combination of skills/techniques best.

This one shows off Tommy's skill at using the guitar as both a melodic and a percussion instrument really well, but he doesn't sing on it: Tommy Emmanuel: Pegao

There's another video on YouTube where Tommy's playing "Yankee Doodle" with one hand and "Dixie" with the other, simultaneously.