The singer and musical star on her role as suffragette Emmeline Pankhurst in a hip-hop stage show, her contempt for the home secretary and her ambition to play Aretha Franklin Beverley Knight came into the limelight as a 1990s soul singer and has also made her name as a musical theatre supremo. She turns 50 in March and claims never to have had it so good: she is starring in Sylvia, a radical new musical mixing hip-h…
