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
László Ágoston 2014. Because of the sudden illness of the baritone protagonist, László Ágoston had to save the performance learning the role and the direction in less than 36 hours. He debuted as a singer in the Hungarian State Opera in this emergency situation earning the critics' praise. After the very successful and critically acclaimed debut of Moltopera (even featured among the best directions of the 2014/2015 season in Hungary), they became regular guest performers in the Hungarian State Opera with a new premiére every year. ("The Hopping from the Seraglio" in 2015/2016 - a children's version of "The Abduction from the