The 1960s musical backlash to the success of the Beatles is quite something to experience.
The BBC TV documentary exploring the rise of the psychedelic underground in 1967.
Why the Fab Four really were fab.
Why one day in 1968 with The Beatles was the pinnacle of everything good.
The new threat of illegal live recordings explored in a 1971 documentary that includes shameless criminality and John Lennon hiding in a bag.
The counterculture midnight movie classics have a big screen revival.