"Rub Your Tummy" is a Sesame Street song to sing while rubbing your tummy and patting your head. Sample lyrics are "Rub your tummy, just like this. Rub it all day long." The song was originally sung on the show by Susan, but was sung by Gordon on various Sesame Street albums and singles. In Episode 4028, the song was performed by Bob, Big Bird and the kids. The song was also performed by Ernie and Bert. (First: Episode 4040) Bert performed a version of the song in the CD-ROM game Music Maker.