In the age of Britpop, Skunk Anansie were an outlier. Fronted by a striking, shaven-headed, black, openly bisexual singer, the multi-cultural, hard rock four-piece were a world away from the laddish, boozy, white boy indie of the era – and all the better for it.

“It was weird to have a lead singer like me,” acknowledges Skin, their iconic frontwoman. “There were barely any black people in rock bands as it was, and to have a black female singer was ...