Jessye Norman

The acclaimed opera singer Jessye Norman died at the age of 74. Her voice enthralled audiences in the world's greatest concert halls and opera houses for decades, and was acknowledged as one of the greatest singers of her generation. In 2014 Stephen Sackur interviewed her about her then new book 'Stand Up Straight and Sing: A Memoir', a story of her life in music. She was born in America's segregated South, with a talent that transcended barriers. Did her success help to tear those barriers down?