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
Tarquin (opera) Tarquin (opera) Tarquin is a chamber opera by Ernst Krenek to an English libretto by Emmet Lavery. Written in 1940, it is Krenek's only unpublished opera (Op. 90), though a premiere in German translation (by M.-C. Schulte-Strathaus & P. Funk rather than the composer) took place in 1950 in Cologne. Krenek, who was in Switzerland at the time of the Anschluss, escaped to exile in the USA and a teaching position at Vassar College, where Lavery (1902–86) was a newspaper editor in neighboring Poughkeepsie (he would later run for Congress and write for Hollywood). The piece was designed for college