Pink Floyd - A Saucerful of Secrets

"A Saucerful of Secrets" was titled "The Massed Gadgets of Hercules" in its earliest performance and became a Pink Floyd live staple from 1968--72. A live version of the track is available on their 1969 double album Ummagumma, and an alternative version is seen and heard in the film Pink Floyd: Live at Pompeii,