Fidelio by Ferdinando Paer (a score of which was owned by Beethoven). Beethoven published the 1806 libretto and, in 1810, a vocal score under the title "Leonore", and the current convention is to use the name "Leonore" for both the 1805 (three-act) and 1806 (two-act) versions and "Fidelio" only for the final 1814 revision. The first version with a three-act German libretto adapted by Joseph Sonnleithner from the French of Jean-Nicolas Bouilly premiered at the Theater an der Wien on 20 November 1805, with additional performances the following two nights. The success of these performances was hindered by the fact that
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