David claimed that a highlight of his life (as it would be for any opera aficionado) was meeting this woman. In 1962, this woman became the first Australian to win the Grammy for outstanding classical performance by a vocal soloist. Luciano Pavarotti dubbed her the Voice of the Century. While she was likely an exceptional talent, she spent much of her later years complaining about young people and foreigners (Riley would complain about young people, but was no racist). Name this Australian opera singer who was not Dame Melba, was not related to an actor named Donald, but was nicknamed "La Stupenda".
Dame Joan Sutherland