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 Devils of Loudun (opera) part, are emblematic of her hysteria and falseness. Furthermore, Jeanne's demonical possession is underscored by the use of laughter, groans, and electronic distortion of her voice. The Devils of Loudun (opera) Die Teufel von Loudun ("The Devils of Loudun") is an opera in three acts written in 1968 and 1969 by Polish composer Krzysztof Penderecki, and then revised in 1972 and 1975. It has a German libretto by the composer, based on John Whiting's dramatization of Aldous Huxley's book of the same name. The work was commissioned by the Hamburg State Opera, which consequently gave the premiere on 20 June