Growing up in a white working-class Essex family, Pauline Vickers had no idea her real parents were a teenage schoolgirl and a Nigerian prince. The Selecter star’s backstory, including childhood abuse and casual racism, would make a compelling movie, but for now it’s a documentary film.

Pauline Black: A 2-Tone Story starts with the singer talking straight to camera – “It needed to be in my voice, not a narrator”, says Pauline who was 25 when she quit her job as an NHS radiographer…