I recently stumbled into this scene on Youtube. I found it in a film called "Prog Rock Britannia" done by the BBC. When i saw this film-clip i instantly had the feeling that the person next to John looks surprisingly like Johns son Sean (i attached two sample pictures of Sean Lennon next to it) ! I stopped the film here and took a screenshot. But this scene is from 1967 !!! Now the question arises, was this a rare and spectacular event of time travelling ?