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
Jacobowsky und der Oberst (opera) Jacobowsky und der Oberst (opera) Jacobowsky und der Oberst, Op. 49, ("Jacobovsky and the Colonel") is an opera in four acts by Giselher Klebe who also wrote the libretto based on the 1944 play of the by Franz Werfel. It premiered on 2 November 1965 at the Hamburg State Opera which had commissioned the work. Klebe dedicated it to the then director of the Staatsoper, Rolf Liebermann. Time and place: 1940, Paris, St. Cyrill, Bayonne and Saint-Jean-de-Luz The first American performance was on 27 June 1967 at the Metropolitan Opera, New York, using the same cast, conducted by Matthias Kuntzsch.