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
Celena Shafer 2004–05 season, she debuted with the New York Philharmonic in a performance of Handel's "Messiah". In April 2005, she sang the title role of "Esclarmonde" at the Washington Concert Opera. Other roles include Tytania in "A Midsummer Night's Dream", Nanetta in "Falstaff", Hero in Berlioz's "Beatrice and Benedict", Zerbinetta in a concert performance of "Ariadne auf Naxos", Blonde in "The Abduction from the Seraglio", Adele in "Die Fledermaus", and "Show Boat" for a gala benefit for Carnegie Hall. Celena Shafer Celena Shafer is an American soprano, born c. 1975 in Centerville, Utah. At age 17, Shafer won a vocal competition