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
Pepita Jiménez (opera) Pepita Jiménez (opera) Pepita Jiménez is a lyric comedy or comic opera with music written by the Spanish composer Isaac Albéniz. The original opera was written in one act and used an English libretto by Albéniz's patron and collaborator, the Englishman Francis Money-Coutts, which is based on the novel of the same name by Juan Valera. The opera was later adapted several times, first by the composer and later by others, into numerous languages and different constructs, including both a two-act version and a three-act version. The first of the composer's three versions of "Pepita Jiménez" was written in Paris