La fille du régiment
Marie-Julie Boulanger, née Marie-Julie Halligner (29 January 1786 – 23 July 1850), was a French mezzo-soprano. She performed her entire career under the stage name Mme Boulanger, appearing in the world premieres of "Le maître de chapelle", "L'ambassadrice", "Le domino noir", and "La fille du régiment".