Martins de Castro Chaib, Fernando, and Luis Alberto Teixeira Bittencourt. “Instrumental Substitution and Repertoire Dissemination: A Report on Directionlessness (2020 2022), by Luís Bittencourt”. Vortex Music Journal 14 (May 25, 2026): 1–42. Accessed October 11, 2026. https://periodicos-hml.unespar.edu.br/vortex/article/view/11015.