The case of the “Som Imaginário” band: : counterculture, experimentation and the music industry between the 1960s and 1970s in Brazil. Per Musi, [S. l.], n. 30, p. 1–11, 2014. Disponível em: https://periodicos-hml.cecom.ufmg.br/index.php/permusi/article/view/38864. Acesso em: 5 oct. 2025.