@article{pais_2009,  title={Artes de musicar e de improvisar na cultura popular},  volume={39},  ISSN={0100-1574},  url={https://doi.org/10.1590/S0100-15742009000300004},  DOI={10.1590/S0100-15742009000300004},  number={138},  journal={Cadernos de Pesquisa},  publisher={Fundação Carlos Chagas},  author={Pais, José Machado},  year={2009},  month={Sep},  pages={747–773} }