Héléna (opera) Héléna (opera) Héléna is an opera in three acts by the French composer Étienne Méhul. It premiered at the Opéra-Comique, Paris on 1 March 1803. The libretto is by Jean-Nicolas Bouilly. It enjoyed 36 performances in the space of 20 months before disappearing from the theatre's repertoire. Bouilly was accused of basing the plot too closely on Cherubini's "Les deux journées". According to the musicologist Elizabeth Bartlet, "several scholars have pointed out [that] Beethoven's trumpet call in "Fidelio" was inspired by Méhul's "Héléna"". Constantin, Count of Arles, has been accused of killing his father. He flees with his wife Héléna
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