"Mah Nà Mah Nà" is a popular song by the Italian composer Piero Umiliani. It originally appeared in the Italian film Sweden: Heaven and Hell (Svezia, inferno e paradiso). On its own it was a minor radio hit in the United States and in Britain, but it became better known internationally after it was used by the Muppets and on The Benny Hill Show. Sesame Street producer Joan Ganz Cooney heard the track on the radio and decided it would be a perfect addition to the show. The song's first Sesame Str...