Costa, Pablo Garcia da, and Beatriz Magalhães Castro. 2011. “Extra-Musical Elements in the Work of K-Ximbinho: Questions about Musical Iconography in Their Record Covers Between 1950s and 1960s”. Per Musi, no. 23 (January):1-14. https://periodicos.ufmg.br/index.php/permusi/article/view/42549.