A fascinating and suitably maverick snapshot of a richly creative moment in music history, told through a couple of disreputable hippies who designed some of the most iconic album covers of all time.

Corbijn, originally a band photographer himself, gets high-quality anecdotes out of the interviewees and there are enough scandals and spilled beans to distract from the fact that this is a pretty conventional talking-heads-and-archive-footage affair...

Hipgnosis played a huge part in persuading us that albums were what an educated consumer prefers, and not silly jangly singles.

Overall, the film certainly succeeds as a portrait of two under-sung but significant late twentieth century artists.