Fidelio You have by your co-operation saved what is best from the shipwreck. For all this I shall be eternally grateful to you." The full score was not published until 1826, and all three versions are known as Beethoven's Opus 72. The first performance outside Vienna took place in Prague on 21 November 1814, with a revival in Vienna on 3 November 1822. In its two-act version, the opera was staged in London on 18 May 1832 at the King's Theatre, and in New York on 9 September 1839 at the Park Theatre. "Fidelio" was Arturo Toscanini's first complete opera performance
Rescue opera to "Fidelio" is Rossini's "Torvaldo e Dorliska" of 1815. Bedřich Smetana's "Dalibor" (1868), which contains no spoken dialogue and which bears marks of Wagnerian influence, has nonetheless been called a rescue opera, in part because of its political themes. Rescue opera was primarily a product of the French Revolution. The social changes of the period meant that opera must now appeal to the masses, and post-aristocratic, patriotic, idealistic themes—such as resistance to oppression, secularism, the political power of individuals and of people working together, and fundamental changes to the status quo—were popular. The Terror influenced stories of fear and imprisonment;