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
Vladimir Rosing he directed "Tosca", "The Barber of Seville", and "Faust" in 1947 with an up-and-coming young bass named Jerome Hines. In 1948 the National Opera Association of Los Angeles, under his direction, presented "The Beggar's Opera", "The Abduction from the Seraglio", "Pagliacci", "Rigoletto", "Faust", and "La traviata" with soprano Jean Fenn. Productions of "The Marriage of Figaro", "The Queen of Spades", and "Don Giovanni" with the American Opera Company of Los Angeles completed 1948. For KFI-TV in 1949 Rosing presented 46 weeks of live televised opera sequences on Sunday afternoons which were voted Outstanding Musical Program of Local Origin by the