Renata Tebaldi
While compiling articles and publicity material he encountered such composers as Sir Malcolm Arnold, Benjamin Britten, Aaron Copland and Sir William Walton, and interviewed such singers as Kirsten Flagstad, Renata Tebaldi, Dame Joan Sutherland, Birgit Nilsson, Victoria de los Ángeles, Régine Crespin, Frederica von Stade, Sir Peter Pears, Carlo Bergonzi, Plácido Domingo and Luciano Pavarotti.