Prince performing at Malahide Castle, Co Dublin, in 2011. He originally wanted Sign O’ The Times to be a triple album. Photograph: Jordan Strauss/WireImage for NPG Records

Sign O’ The Times, Prince’s 1987 masterpiece, moves from bleak realism through partying and carnal pleasures to true love, steadfast faith and ecstati(...)

Nothing Compares 2 Me: unless Prince asked them “he didn’t like anyone covering his songs”. Photograph: Richard Aaron/Redferns/Getty

Thirty four years ago, when Paul “St Paul” Peterson was the singer in The Family, a band Prince had assembled, he was sitting in his mother’s house in(...)