Sofía Cancino de Cuevas first quartet for strings, catalogued as Op. 1. In 1940, she received an honorable mention for her symphonic poem "El gallo en Pátzcuaro" for orchestra and male choir, in a contest organized by UNAM. In 1941 she directed the presentation of Mozart's "Don Giovanni" at the Arbeu theater, with the participation of singers (baritone), Carlos Mejía (tenor), and Margarita Cueto (soprano), among others. This made her Mexico's first female conductor. In 1944 she founded the Opera School, with which she conducted "La serva padrona" by Giovanni Battista Pergolesi, "Bastien und Bastienne" by Wolfgang Amadeus Mozart, and "Il matrimonio segreto" by
The Stronger (opera) The Stronger (opera) The Stronger is an opera in one act by composer Hugo Weisgall. The English language libretto by Richard Henry Hart is based on August Strindberg's play of the same name. It premiered at the White Barn Theatre in Westport, Connecticut on August 9, 1952 and was dedicated to that theatre's founder, the actress Lucille Lortel. "The Stronger" is an approximately 25 minute staged duodrama that is in many respects a monologue with one singing role, Estelle (coloratura soprano), and one silent role, Lisa. The opera takes place at a bar on Christmas Eve. The two women meet