Stop, Look, Listen: Julian Cope's Star Test, pop art bottoms, Penny Kiley on Letter to Brezhnev, the best Shirley Valentine, one of Merseyside's saddest ever songs – a Liverpool weekend special

I’m just back from a weekend in Liverpool with some of my best friends. As a reset, I strongly recommend it: it was full of laughs, nonsense, a hotel bar full of World’s Strongest Men and Women contestants at 1am and my pal Stuart Evers’ excellent versions of the FT quiz.

Also, if you’re ever in Liverpool, and only have time to go to one cultural instit…