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
Fidelio the Vienna State Opera was re-opened with "Fidelio", conducted by Karl Böhm. This performance was the first live television broadcast by ORF at a time when there were about 800 television sets in Austria. The first night of "Fidelio" at the Semperoper in Dresden on 7 October 1989 on the occasion of the 40th anniversary of the DDR (East Germany) coincided with violent demonstrations at the city's main train station. The applause after the "Prisoners' Chorus" interrupted the performance for considerable time, and the production by had the chorus appear in normal street clothes at the end, signifying their role