Antonia RossiAntonia Rossi was >> in El Eco de las Canciones as 'Director, Writer, Director of Photography, Editor'Pedro MicelliPedro Micelli was >> in El Eco de las Canciones as 'Director of Photography'Roberto ContadorRoberto Contador was >> in El Eco de las Canciones as 'Writer, Editor, Original Music Composer'Leonora GonzálezLeonora González was >> in El Eco de las Canciones as 'Producer'Francisco FloresFrancisco Flores was >> in El Eco de las Canciones as 'Original Music Composer'Jorge CortésJorge Cortés was >> in El Eco de las Canciones as 'Original Music Composer'Patricio MuñozPatricio Muñoz was >> in El Eco de las Canciones as 'Sound Designer'