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 4b74c876-f949-4e6b-932c-97a3afbd3021 (CC0).