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
The Diary of a Madman (opera) the same year. In 1967 the opera was conducted by Walter Susskind at the Aspen Festival in Colorado. The Diary of a Madman (opera) The Diary of a Madman is a one-act chamber opera by the composer Humphrey Searle. It is based on the short story of the same name by Nikolai Gogol. The opera was premiered in 1958 in Berlin. The libretto is by the composer. The work, which is the first of Searle's operas, was commissioned by Hermann Scherchen, then the director of the Berlin Festival. Scherchen gave Searle complete choice of subject, stipulating only that the orchestra