You have to give it a minute or so before it gets going, but have patience, it’s worth it. It’s just really simple and charming, but a great bit of technique and something someone’s obviously put a lot of work into.
I can see it getting copied and used and abused a bit like that classic Dylan thing with the throwaway bits of paper (my memory seems to think it’s some kind of video for Subterranean Homesick Blues, but surely they didn’t have pop videos back then, did they?).
It was from the doco “Don’t look back” made during one of his tours of England in mid 60s. Bob is God.