Fidelio work on the libretto by Georg Friedrich Treitschke. This version was first performed at the Kärntnertortheater on 23 May 1814, again under the title "Fidelio". The 17-year-old Franz Schubert was in the audience, having sold his school books to obtain a ticket. The increasingly deaf Beethoven led the performance, "assisted" by Michael Umlauf, who later performed the same task for Beethoven at the premiere of the Ninth Symphony. The role of Pizarro was taken by Johann Michael Vogl, who later became known for his collaborations with Schubert. This version of the opera was a great success, and "Fidelio" has been
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