In memory of Pink Floyd founder Rick Wright
Set the Controls for the Heart of the Sun
I think you had to be there - or be stoned. I was only 7 at the time, so I was neither, but interesting rare footage anyway.
Great Gig in the Sky (from Dark Side of the Moon)
PS. I saw the Floyd, some years later than this, perform "The Wall" live at Earl's Court (I think it was 1980).