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 orders, Rocco has been giving the imprisoned Florestan diminishing rations until he is nearly starved to death. Jaquino and Marzelline are alone in Rocco's house. Jaquino asks Marzelline when she will agree to marry him, but she says that she will never marry him now that she has fallen in love with Fidelio, unaware that Fidelio is actually Leonore in disguise ("Jetzt, Schätzchen, jetzt sind wir allein"—"Now, darling, now we are alone"). Jaquino leaves, and Marzelline expresses her desire to become Fidelio's wife ("O wär ich schon mit dir vereint"—"If only I were already united with thee"). Rocco enters, looking