ORTIZ, O. N. La improvisación en el “Jazz”. Revista Musical Chilena, [S. l.], v. 8, n. 43, p. p. 41–48, 1952. Disponível em: https://rchdt.uchile.cl/index.php/RMCH/article/view/12122. Acesso em: 2 may. 2024.