Mah Nà Mah Nà

Have you ever heard the Mah Nà Mah Nà song?  

This song originally appeared in the Italian film Sweden: Heaven and Hell. It became better known in English-speaking countries from its use in the 14th episode of Sesame Street, the first episode of The Muppet Show.

http://en.wikipedia.org/wiki/Mah_Nà_Mah_Nà