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 Composer Glinka Ivan Susanin. Tsar Nicholas I change the name of the opera to "A Life for the Tsar" and assigns a librettist - Baron Rosen. Acquaintance with the future co-author shocked Glinka: Rosen speaks Russian with a noticeable German accent. The premiere was successful, but Glinka was still not entirely happy with the libretto: "False words were written by Rosen". When Nicholas I learned that "Ruslan and Lyudmila" was written on Pushkin's subject, he sees it as sedition. The bitter experience of the composer brighten his supporters. 1953 Locarno International Film Festival The Composer Glinka Kompozitor Glinka (; English literal translation,