Yvonne Kenny when she replaced, with only four days' notice, the soprano scheduled to sing in an Opera Rara concert performance of Donizetti's "Rosmonda d'Inghilterra" at the Queen Elizabeth Hall. It was a triumph and the virtually unknown Kenny became an overnight star. She made her debut at the Royal Opera House the following year, in the premiere of Hans Werner Henze's "We Come to the River", later singing in Handel operas such as: "Semele", "Alcina", "Giulio Cesare", and such Mozart operas as: "Idomeneo", "Mitridate, re di Ponto", "La clemenza di Tito", "The Abduction from the Seraglio", "The Magic Flute". She also
Maria Nemeth repertoire. Star soprano at the Vienna State Opera from 1925 until 1946, she also appeared at the Paris Opéra in 1928, as Constanze in the "Abduction from the Seraglio", and at the Royal Opera House in London, as "Turandot", in 1931. Her amazing voice and remarkable technique enabled her to excel in roles as diverse as Constanze and Queen of Night, Amelia and Aida. Considered one of the best Donna Anna, Tosca, and Turandot of her time. She also tackled Wagner roles, such as Brünnhilde, with success. She died in Vienna. Maria Nemeth Maria Nemeth (Hungarian: Németh Mária; March 13,