Desc: Cuando me vaya: Directed by Tito Davison. With Libertad Lamarque, Miguel Torruco, Lilia Martínez 'Gui-Gui', Prudencia Grifell. Film biography of the Mexican songwriter María Grever, whose life moved from her childhood in Mexico to Paris (where she studied composition with Claude Debussy), New York during the First World War, Hollywood (providing music for Latin-American movies at Paramount Studios) and Broadway ("Viva O'Brien", 1941).