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
Down in the Valley (opera) Down in the Valley (opera) Down in the Valley is a folk-opera in one act by composer Kurt Weill and librettist Arnold Sundgaard, initially composed and conceived for the radio in 1945 then rewritten and produced in 1948. It uses famous American tunes to carry the story (including "Down in the Valley", "The Lonesome Dove", and "Hop Up, My Ladies") and connected by original choral music. This short opera, originally running only about 20 minutes, was conceived as the first of a series of radio operas by Olin Downes, the music critic of "The New York Times", and Charles McArthur,