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
Seraglio also an artificial island on which Mantua is located. Seraglio A seraglio ( or ) or serail is the sequestered living quarters used by wives and concubines in an Ottoman household. The term "harem" is a generic term for domestic spaces reserved for women in a Muslim family, which can also refer to the women themselves. The Ottoman imperial harem was known in Ottoman Turkish as "Harem-i Hümâyûn". The etymology of this Italian word is unclear. The Italian Treccani dictionary gives two derivations: one from Turkish "saray", from Persian "sarai" (), meaning "palace", or the enclosed courts for the wives