Serenade

From Muppet Wiki

Written by
Music by	Sigmund Romberg
Lyrics by	Dorothy Donnelly
Date	1924
Source	The Student Prince (operetta)
Publisher	Warner Bros. Inc.

"Serenade" is performed by Cloris Leachman, Link Hogthrob, and a chorus of pigs as part of an operetta medley in episode 224 of The Muppet Show.