Evelyn Dalberg (May 23, 1939 â November 29, 2025) was a South African operatic mezzo-soprano. She performed many roles, including Venus in Tannhäuser by Richard Wagner, Amneris in Aida by Giuseppe Verdi, Beatrice in Le donne curiose by Ermanno Wolf-Ferrari, the courtesan Giulietta in The Tales of Hoffmann by Jacques Offenbach, and the servant Nancy in Martha by Friedrich von Flotow.