SIMPSON JR., R. The Butterfly Blues. Voices: A World Forum for Music Therapy, [S. l.], v. 21, n. 1, 2021. DOI: 10.15845/voices.v21i1.3290. Disponível em: https://voices.no/index.php/voices/article/view/3290. Acesso em: 29 mar. 2024.