 Several celebrities appeared in the film , including Andy <unk> , Fred <unk> , Jack <unk> , Dick <unk> and George Harrison . <unk> by critics as " the most expensive home movie of all time " , it premiered to an American audience in 1972 . In 1986 , Zbigniew <unk> made a music video for the song , and in 1987 , it won both the " Silver Lion " award for Best <unk> at Cannes and the Festival Award at the Rio International Film Festival . 
