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
Robert Radford to another source) Hagen in "Götterdämmerung". He was then engaged with the Grand Opera Syndicate at the Royal Opera House, Covent Garden, and he was successively engaged by Thomas Beecham in his productions at various venues, including Covent Garden, Drury Lane and His Majesty's Theatre. In Beecham's production of Wagner's "Ring cycle" he again played Fasolt, opposite the Fafnir of the younger Norman Allin, who succeeded him as Britain's foremost bass. Among his best-known roles were Mephistopheles (Gounod's "Faust"), Osmin ("Il Seraglio"), Sarastro ("The Magic Flute"), the Father (Charpentier's "Louise"), "Ivan the Terrible" and "Boris Godunov" (title role), which he