Comic opera and humour, Offenbach's works were intended solely to amuse. Though generally well crafted and full of humorous satire and grand opera parodies, plots and characters in his works were often interchangeable. Given the frenetic pace at which he worked, Offenbach sometimes used the same material in more than one opera. Another Frenchman who took up this form was Charles Lecocq (1832–1918). The singspiel developed in 18th-century Vienna and spread throughout Austria and Germany. As in the French "opéra comique", the "singspiel" was an opera with spoken dialogue, and usually a comic subject, such as Mozart's "Die Entführung aus dem Serail
The Diary of a Madman (opera) the same year. In 1967 the opera was conducted by Walter Susskind at the Aspen Festival in Colorado. 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