Shave and a Haircut

"Shave and a Haircut" and the associated response "two bits" is a simple, 7-note musical couplet popularly used at the end of a musical performance, usually for comic effect. The first known occurrence of the tune is from an 1899 Charles Hale song, "At a Darktown Cakewalk."

Muppet usage

 * Muppets Tonight, episode 107 (1996): As the punchline to a riff on the famous Mahna Mahna sketch, with Kermit and Sandra Bullock, Doglion manifests when Sandra says "Shave and a haircut" (to add "Two bits").
 * Disney Xtreme Digital (2008): One of the possible outcomes of the "Do Not Touch" button is three penguins who sing "Shave and a Haircut".
 * sesamestreet.org (2011): After the primary introductory segment for "Letter Q Day", and one filler spot, Big Bird is singing quietly, ending louder with "dum dee dum dum"s to the music of "Shave and a Haircut".