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
Boris Godunov (opera) Boris Godunov (opera) Boris Godunov (, "Borís Godunóv") is an opera by Modest Mussorgsky (1839–1881). The work was composed between 1868 and 1873 in Saint Petersburg, Russia. It is Mussorgsky's only completed opera and is considered his masterpiece. Its subjects are the Russian ruler Boris Godunov, who reigned as Tsar (1598 to 1605) during the Time of Troubles, and his nemesis, the False Dmitriy (reigned 1605 to 1606). The Russian-language libretto was written by the composer, and is based on the drama "Boris Godunov" by Aleksandr Pushkin, and, in the Revised Version of 1872, on Nikolay Karamzin's "History of the