From Muppet Wiki

Written by
Music by	Joe Raposo
Lyrics by	Jerry Juhl
Date	1972
Source
Publisher	Muppet-Jonico Publishing Co.

"Pat Pat Patty Pat" is an original Sesame Street song performed by Bert, Big Bird, Herbert Birdsfoot, Prairie Dawn, Grover, and Ernie.

Audio Releases

• Havin' Fun with Ernie & Bert (1972)
• Listening Game/Pat Pat Patty Pat (single, 1972)
• Bert's Blockbusters (1974)
• Listening Game/Pat Pat Patty Pat (single, 1976)
• Sesame Street Treasury (1980)
• Exercise! (with new intro by Big Bird) (1982)
• The Best of Bert (1983)
• Bounce Along with Big Bird (1992)
• Bert and Ernie's Greatest Hits (1996)