2022. “Programa do Galinho” on Radio Educadora do Maranhão: the challenge posed by the migration from AM to FM band to radiophony with a bias in the rurban tradition. Radiofonias – Journal of Audio Media Studies. 12, 3 (Jan. 2022), 148–162. DOI:https://doi.org/10.63234/radiofonias.v12i3.5145.