Fidelio work on the libretto by Georg Friedrich Treitschke. This version was first performed at the Kärntnertortheater on 23 May 1814, again under the title "Fidelio". The 17-year-old Franz Schubert was in the audience, having sold his school books to obtain a ticket. The increasingly deaf Beethoven led the performance, "assisted" by Michael Umlauf, who later performed the same task for Beethoven at the premiere of the Ninth Symphony. The role of Pizarro was taken by Johann Michael Vogl, who later became known for his collaborations with Schubert. This version of the opera was a great success, and "Fidelio" has been
Italian opera composers of the next generation: Francesco Cavalli and Antonio Cesti. In Polish–Lithuanian Commonwealth a tradition of operatic production began in Warsaw in 1628, with a performance of "Galatea" (composer uncertain), the first Italian opera produced outside Italy. Shortly after this performance, the court produced Francesca Caccini's opera "La liberazione di Ruggiero dall'isola d’Alcina", which she had written for Prince Władysław Vasa three years earlier when he was in Italy. Another first, this is the earliest surviving opera written by a woman. "Gli amori di Aci e Galatea" by Santi Orlandi was also performed in 1628. When Władysław was king (as