Sean Lennon

Mark Ronson has one of the finest heads of hair in all showbusiness. The music producer’s coiffure is a dark, whipped and quiffed thing that makes it look as though he naturally belongs on a Vespa in Capri, being ogled by the belle ragazze as he scoots on by. As a cultural object, it certainly surpasses the Oscar he won for the songs in that Lady Gaga remake of A Star is Born; it probably equals his Barbie soundtrack; and maybe even approaches the hits he made with and for Amy Winehouse. But it wasn’t always like that. Back in the 1990s, Ronson’s hair was a standard-issue crop, while he

David Sheff first met Yoko Ono in 1980 when Playboy commissioned him, then aged 24, to interview her and John Lennon. She asked him to send her his astrological and numerological charts before summoning him to the Dakota, where she and John occupied six apartments. (Elton John, a friend of theirs, wrote an excellent spoof: ‘Imagine six apartments/ It isn’t hard to do./ One is full of fur coats/ Another’s full of shoes.’) Yoko told him that his charts were good – ‘these are strong numbers’ – and that he would get on well with John. So they fixed a time to meet the next day. The interview lasted three