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
Labyrinth (opera) Labyrinth (opera) Labyrinth is an opera in one act by composer Gian Carlo Menotti. The work was commissioned for television by the NBC Opera Theatre and uses an English language libretto by the composer. Unlike Menotti's previous television operas, such as "Amahl and the Night Visitors", this opera was written with no intention of being moved to live stage performance later. Menotti intended for this work to utilize the special effects unique to television which could not be recreated in live theatre. As a result, NBC's television production of the opera is the only performance the work has received. At