Fidelio abandoned "Vestas Feuer" for "Fidelio", and was eventually freed from his obligations to Schikaneder when the latter was fired from his post as theater director in 1804. "Fidelio" itself, which Beethoven began in 1804 immediately after giving up on "Vestas Feuer", was first performed in 1805 and was extensively revised by the composer for subsequent performances in 1806 and 1814. Although Beethoven used the title ' ("Leonore, or The Triumph of Married Love"), the 1805 performances were billed as "Fidelio" at the theatre's insistence, to avoid confusion with the 1798 opera ' by Pierre Gaveaux, and the 1804 opera "Leonora"
The Secret (opera) The Secret (opera) The Secret () is a comic opera in three acts by Bedřich Smetana. The libretto was written by Eliška Krásnohorská. The premiere took place on 18 September 1878 at the Nové České Divadlo (New Czech Theatre) in Prague. Krásnohorská proposed the idea for a new opera to Smetana two weeks after the opening of "The Kiss", but kept details of the plot a secret from the composer until July 1877, when a draft outline, drawing on several sources, including "Les femmes et le secret" by La Fontaine, was sent to him. The librettist had set the action