With women now comprising 38% of its 1,500-strong membership, the Music Manager’s Forum typifies the changing face of the industry

Black Sabbath’s manager, Don Arden, was nicknamed “the Al Capone of pop” for his ruthless business dealings. His protege, Peter Grant of Led Zeppelin, once helped dangle Robert Stigwood out of a window by his ankles.

Things have changed in the music business. And while modern managers are likely to be better behaved, they are also more likely to be women.