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
The Diary of a Madman (opera) The Diary of a Madman (opera) The Diary of a Madman is a one-act chamber opera by the composer Humphrey Searle. It is based on the short story of the same name by Nikolai Gogol. The opera was premiered in 1958 in Berlin. The libretto is by the composer. The work, which is the first of Searle's operas, was commissioned by Hermann Scherchen, then the director of the Berlin Festival. Scherchen gave Searle complete choice of subject, stipulating only that the orchestra be of no more than 15 players, and that there should be no more than four singing roles.