Prada T, Peno H. Sérgio Abreu and the history of his contribution with Quaternaglia and Brazilian Guitar Quartet. Rev. Vórtex [Internet]. 2023 Oct. 12 [cited 2026 Oct. 12];11(2):1-27. Available from: https://periodicos-hml.unespar.edu.br/vortex/article/view/7945