I first heard this song in the old 1942 Warner Brother's cartoon of Dr. Seuss's "Horton Hatches the Egg":
http://youtube.com/watch?v=0pKA-vZCL6o

http://en.wikipedia.org/wiki/Horton_Hatches_the_Egg

The song was obviously popular enough to be parodied by the "Termite Terrace" animators who put together Warner Brothers cartoons.

A Youtube video that's relatively straight, compared to the cartoon above (if anything like this could be considered straight):
http://www.youtube.com/watch?v=7kKU1S0lWxo


--Charlie Baum