Fidelio Fidelio Fidelio (originally titled ; English: "Leonore, or The Triumph of Marital Love"), Op. 72, is Ludwig van Beethoven's only opera. The German libretto was originally prepared by Joseph Sonnleithner from the French of Jean-Nicolas Bouilly, with the work premiering at Vienna's Theater an der Wien on 20 November 1805. The following year, helped shorten the work from three acts to two. After further work on the libretto by Georg Friedrich Treitschke, a final version was performed at the Kärntnertortheater on 23 May 1814. By convention, both of the first two versions are referred to as "Leonore". The libretto, with
The Devil in Love (opera) The Devil in Love (opera) The Devil in Love (; ) is an opera in three acts by the Russian composer Alexander Vustin (born 1943). The Russian libretto was written by Vladimir Khachaturov after the novel "The Devil in Love" by Jacques Cazotte (1772). This is probably the most important composition of Alexander Vustin. He worked on this opera for around 15 years (1975–1989). Despite his efforts, the opera still was not performed. However, the composer used the same or similar musical material in dozens of his compositions written during the same period. «Ex oriente...III» Eight Composers from the former