The film is great if you like that kind of thing - a few rock'n'roll numbers, Ringo Starr and Keith Moon larking around with the Mothers Of Invention, surreal intertwining fragments of ideas and some crazy (and at the time groundbreaking) visuals.
But I'm disappointed with the quality of the pictures and sound. Co-director Tony Palmer claims repeatedly to be in posession of the original video tapes on which it was shot, and the sticker on the front says "restored from the original sources", yet film scratches and blotches are evident throughout and some of the colours are very dark and muddy; and the sound is appalling - very muffled and boomy. So this has obviously been transferred from a cine print (or maybe a duplication negative) with an optical sound track - hardly "restored from original sources". Palmer claims on the commentary to have spent several months remastering the movie but I'm not convinced by the results. If (as he also repeatedly claims) all the editing and effects were done live as they were recording, it should have been relatively easy to go back to the original tapes (or at least the first generation film transfer) and reconstruct the movie in a digital editor.