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
Il Neo Il Neo Il Neo (La Mouche) is an opera in 1 act, 3 tableaux ("novelletta musicale in 3 piccoli quadri" — musical novelette in 3 little tableaux) by Henrique Oswald to an Italian libretto by Eduardo Filippi after a novella "La mouche" by Alfred de Musset. Composed in 1900. Never published. It is the only of three operas by Oswald which definitely was staged. "Il Neo" is Oswald's second opera written some thirty years after his first (1872). The composer may have turned to this genre again because of the rapid development of opera in Brazil around 1900: the public