La maison du docteur is an opera comique

Opera Comique

The Opera Comique was a 19th-century theatre constructed in Westminster, London, between Wych Street and Holywell Street with entrances on the East Strand. It opened in 1870 and was demolished in 1902, to make way for the construction of the Aldwych and Kingsway...

 in one act by Georges Bizet

Georges Bizet

Georges Bizet formally Alexandre César Léopold Bizet, was a French composer, mainly of operas. In a career cut short by his early death, he achieved few successes before his final work, Carmen, became one of the most popular and frequently performed works in the entire opera repertory.During a...

 with a French libretto

Libretto

A libretto is the text used in an extended musical work such as an opera, operetta, masque, oratorio, cantata, or musical. The term "libretto" is also sometimes used to refer to the text of major liturgical works, such as mass, requiem, and sacred cantata, or even the story line of a...

 by Henry Boitteaux. Some music scholars assert that the opera was composed in 1852 while others believe that is was written in 1855. Either way the composition is the first opera

Opera

Opera is an art form in which singers and musicians perform a dramatic work combining text and musical score, usually in a theatrical setting. Opera incorporates many of the elements of spoken theatre, such as acting, scenery, and costumes and sometimes includes dance...

written by Bizet. La maison du docteur has never been performed and while the music does survive in piano score only, the work has never been published.