Are both A Midsummer Night's Dream and La sonnambula operas?
La sonnambula La sonnambula ("The Sleepwalker") is an opera semiseria in two acts, with music in the "bel canto" tradition by Vincenzo Bellini set to an Italian libretto by Felice Romani, based on a scenario for a "ballet-pantomime" written by Eugène Scribe and choreographed by Jean-Pierre Aumer called "La somnambule, ou L'arrivée d'un nouveau seigneur". The ballet had premiered in Paris in September 1827 at the height of a fashion for stage works incorporating somnambulism.
La mort d'Abel La mort d'Abel ("The Death of Abel") is an opera by the French composer Rodolphe Kreutzer. The libretto, by François-Benoît Hoffman, deals with the Biblical story of Cain and Abel. It was first performed in a three-act version at the Salle Montansier by the Académie Impériale de Musique (the Paris Opéra) on 23 March 1810 under the title "Abel". A revival at the Salle Le Peletier in 1823, in which the second act was cut, impressed the young Hector Berlioz.