Fidelio an der Wien. Beethoven was to set a new libretto by Schikaneder, entitled "Vestas Feuer"; however, this libretto was not to Beethoven's liking. He spent about a month composing music for it, then abandoned it when the libretto for "Fidelio" came to his attention. The time Beethoven spent on "Vestas Feuer" was not entirely wasted, as two important numbers from "Fidelio", Pizarro's "'Ha! Welch’ ein Augenblick!" and the duet "O namenlose Freude" for Leonora and Florestan, both originated as music for "Vestas Feuer". Beethoven remained as a resident of the Theater an der Wien for some time after he had
Found and Lost (opera) Found and Lost (opera) Found and Lost is a one-act opera by Emily Hall, first performed in January 2016, which "straddles the worlds of opera, art installation and promenade theatrical event". The opera, which lasts about 50 minutes, is to a libretto by Matthew Welton. It is described as "an opera installation...written using found texts within Corinthia Hotel London" – these texts include for example checklists for room service staff. The opera was created by the composer whilst she was an artist-in-residence at the Corinthia Hotel in London. The composer's brief was to write an opera to take place in