Rio de Janeiro , 6 d'octubre de 1988
She studied under Maria Cortinas at the Conservatori del Liceu, where she obtained her harp diploma at the age of thirteen. She continued her studies at the Conservatoire Supérieure de Musique in Paris, under the direction of Alphonse Hasselmans. She soon embarked on a performing career that took her to America, the continent where she remained from 1914 onwards. She initially settled in Buenos Aires, continuing her activity as a performer with a busy concert schedule and a teaching job that she never gave up. After the First World War she settled in Lisbon, where she also carried out an intense pedagogical activity. In 1929, she moved to Rio de Janeiro, where she lived for the rest of his life. In Brazil, she followed the path started by the harpist Clotilde Cerdà, carrying out relevant work as a teacher in her private studio and at the Instituto Nacional de Música de Rio.
Lea Bach played a key role in the foundation of the Brazilian harp school by introducing the French technique and teaching model in that country.