In 1968, Pink Floyd travelled to Belgium where they filmed a lip-synched promotional film for "Astronomy Domine",[REF] as well as "See Emily Play", "The Scarecrow", "Apples and Oranges", "Paint Box", "Set the Controls for the Heart of the Sun", and "Corporal Clegg".
Gilmour lip-synced Barrett's voice in the "Astronomy Domine" video.