Vidal Junior, Itamar, and Paulo José de Siqueira Tiné. “Concrete Music in the 1960’s: From Poetamenos to Long Plays in the São Paulo Cultural Scene”. Revista Criação & Crítica, vol. 31, no. 31, Jan. 2022, pp. 367-92, https://doi.org/10.11606/issn.1984-1124.i31p367-392.