Sonny Boy
Written by Ray Henderson, Lew Brown, B. G. DeSylva, and Al Jolson
Date 1928
Source The Singing Fool (movie)
Publisher Ballentine Stephen Music Publ.; Chappell & Co. Inc.; Ray Henderson Music Co. Inc.

Link Hogthrob sings "Sonny Boy" to a live piglet for the UK Spot on episode 215 of The Muppet Show.

A similar segment appeared in episode 201, in which Rowlf sings "What a Wonderful World" to a live dog.