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"
Aladdin (opera) Aladdin (opera) Aladdin, Op. 43, is an opera by the Swedish composer Kurt Atterberg, to a libretto written by and . Two versions exist, in Swedish and German. The opera is based on the story, "Aladdin's Magic Lamp" from "One Thousand and One Nights". It was first performed on 18 March 1941 at the Royal Swedish Opera, Stockholm. The idea for the composition was born in August 1936 when the composer met the librettists in Garmisch. The libretto was largely finished when Atterberg began composing the piano score on 15 July 1937. On 24 August 1940 the piano score was