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
Tristan und Isolde "Tristan and Isolde" which consisted mainly of the act 1 prelude, the from act 2 and the from act 3. A shorter version of music from the 2nd and 3rd acts was called "Love Music from "Tristan and Isolde"". He made recordings of both versions on 78s and again on LP. Other works based on the opera include: Notes Sources Tristan und Isolde Tristan und Isolde ("Tristan and Isolde", or "Tristan and Isolda", or "Tristran and Ysolt") is an opera, or music drama, in three acts by Richard Wagner to a German libretto by the composer, based largely on the