What Australian dramatic coloratura soprano collaborated with Richard Conrad?
Richard Conrad:  He is perhaps best known for his 1963 recorded collaboration with Joan Sutherland and Marilyn Horne, conducted by Richard Bonynge, known as "The Age of Bel Canto". Joan Sutherland: Dame Joan Alston Sutherland, OM, AC, DBE (7 November 192610 October 2010) was an Australian dramatic coloratura soprano noted for her contribution to the renaissance of the bel canto repertoire from the late 1950s through to the 1980s.
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