Here's the deleted "Jitterbug" scene from The Wizard of Oz:
[youtube=425,350]http://www.youtube.com/watch?v=95ptLu8jiUE[/youtube]
Here's a segment about casting the part of Dorothy:
[youtube=425,350]http://www.youtube.com/watch?v=QU9bN6EUm5s[/youtube]