Because of the wonderful things he does.
5 seconds sound clip from the The Wizard of Oz (1939) movie soundboard.
You can hear this line at 00:33:32 in the Blu-ray version of the movie.
Quote context
[...]
- Follow the Yellow Brick, follow the Yellow Brick, follow the Yellow Brick Road.
- You're off to see the Wizard, the wonderful Wizard of Oz.
- You'll find he is a whiz of a wiz if ever a wiz there was.
- If ever, oh ever a wiz there was, the Wizard of Oz is one because...
- Because, because, because, because, because...
- Because of the wonderful things he does.
- You're off to see the Wizard, the wonderful Wizard of Oz. (2)
- Follow the Yellow Brick Road? Follow the Yellow...?
- Pardon me! That way is a very nice way.
[...]