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
Guntram (opera) Guntram (opera) Guntram (Op. 25) is an opera in three acts by Richard Strauss with a German libretto written by the composer. The second act of the opera was composed in Ramacca, Sicily. It was Strauss' first opera and shows a strong Wagnerian influence. The music of Guntram is quoted in Strauss's tone-poem "Ein Heldenleben". The composer revised the score in 1940. The opera was not very successful, and was only staged a few times during Strauss' lifetime: The first performance took place on 10 May 1894 at the Grossherzogliches Hoftheater in Weimar. The soprano role of Freihild was sung