On these albums
Clowns in the Sky: The Musical History of Mystery Science Theater 3000Mystery Science Theater 3000 · 1996Soundtrack
Songs in the Key of MSTMystery Science Theater 3000 · 2007Soundtrack
Clowns in the Sky I & IIMystery Science Theater 3000 · 2009Soundtrack
The Complete Clowns in the SkyMystery Science Theater 3000 · 2019Soundtrack
Source: MusicBrainz recording 5ec7a9c6-bf22-4526-96c4-def8b251b086 (CC0).