Only Four Hours
Amazingly, the video was recorded in only four hours at the cost of £4,500. It was directed by Bruce Gowers, who had directed a video of the band’s 1974 performance at the Rainbow Theatre in London.
Source: NME
While most videos add special effects after the fact, this video incorporated all of the special effects during the recording, rather than editing. The video was edited within five hours because it was due to be broadcast the same week in which it was taped.