Oorspronklik: Life's A Happy Song. The Muppets. Life's A Happy Song by The Muppets. Choir sheet music. By Bret McKenzie.
Vertaling: Life's a Gelukkige Song. Die Muppets. Life's a Gelukkige Song deur Die Muppets. Koor bladmusiek. Deur Bret McKenzie. 2-Deel.