Richard Coeur-de-lion (opera) performances by that company by 1910. Another 302 were given at the Théâtre Lyrique between 1856 and 1868. A translated semi-opera version of Sedaine's work "Richard Cœur de lion" was written by John Burgoyne with music by Thomas Linley the elder for the Drury Lane Theatre where it was very successful in 1788. "Richard Cœur-de-lion" played an important role in the development of "opéra comique" in its treatment of a serious, historical subject. It was also one of the first rescue operas. Significantly, one of the chief characters in the most famous rescue opera of all, Beethoven's "Fidelio", is called
Fidelio a rival nobleman, Pizarro. In revenge, Pizarro has secretly imprisoned Florestan in the prison over which he is governor. Simultaneously, Pizarro has spread false rumors about Florestan's death. The warden of the prison, Rocco, has a daughter, Marzelline, and an assistant, Jaquino, who is in love with Marzelline. The faithful wife of Florestan, Leonore, suspects that her husband is still alive. Disguised as a boy, under the alias "Fidelio", she gains employment working for Rocco. As the boy Fidelio, she earns the favor of her employer, Rocco, and also the affections of his daughter Marzelline, much to Jaquino's chagrin. On