I found this Australian DJ today who does remixes for Disney, Pixar and other popular films by cutting and splicing the actors lines and tones of words together to make a pretty amazing sound and score. If you haven't hear of Pogo already this is one of his latest ones done for UP!
http://www.youtube.com/watch?v=A2yt1ooLQGo
http://www.youtube.com/watch?v=A2yt1ooLQGo