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
A Night at the Opera (film) the window of her hotel room. Ricardo has an altercation with Lassparri, which results in both Rosa and Driftwood being fired from the opera company by Gottlieb. The boys decide to seek revenge by sabotaging the opening night performance of "Il trovatore" ending with the abduction of Lassparri, forcing Gottlieb to substitute Ricardo and Rosa in his place. The audience clearly prefers Baroni over Lassparri and the latter is booed and hit with an apple after he attempts to return to the stage. The film ends with Driftwood and Fiorello attempting to negotiate another contract, as Rosa and Ricardo sing