WINDLEBURN, Maurice. Free jazz: A concept poem. Jazz Research Journal, [S. l.], v. 15, n. 1-2, p. 132–135, 2022. DOI: 10.1558/jazz.22892. Disponível em: https://journal.equinoxpub.com/JAZZ/article/view/22892. Acesso em: 16 apr. 2025.