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
Andromaque (opera) Andromaque (opera) Andromaque is an opera in three acts by the composer André Ernest Modeste Grétry. The French libretto is an adaptation of Jean Racine's play "Andromaque" by Louis-Guillaume Pitra (1735-1818). It was first performed on 6 June 1780 by the Académie Royale de Musique (Paris Opera) in the second Salle du Palais-Royal. It was the only opera Grétry wrote in the form of a "tragédie lyrique". Grétry was regarded as the leading composer of "opéra comique" of his time and "Andromaque" was his only tragic opera for the Académie Royale de Musique. During the 1770s, Christoph Willibald von Gluck