ATTON, C. F. Improvised Music: Some Answers to Some Questions. Contact: A Journal for Contemporary Music (1971-1990), [S. l.], n. 33, 1988. DOI: 10.25602/GOLD.cj.v0i33.1296. Disponível em: https://journals.gold.ac.uk/index.php/contactjournal/article/view/contactjournal33_p13-17. Acesso em: 19 apr. 2024.