David Rayvern Allen talks to professional singers who have suddenly found themselves unable to sing, uncovering the physical and psychological scars that are left behind.
Contributors include Isobel Buchanan, Norma Burrowes, John Wakefield and Rosa Mannion.
David Rayvern Allen asks what happens when opera singers fall silent.
With Norma Burrowes, Rosa Mannion and Isobel Buchanan.
With Norma Burrowes.