This guy Pogo is on another planet of skills. He takes the sounds from a movie and strictly will only use those samples to create these awesome tunes:
http://www.youtube.com/watch?v=UlS_Rnb5WM4
Terminator 2: Skynet Symphonic
Willy Wonka And The Chocolate Factory: Scrumdiddlyumptious
The King & I: Anna
