This essay investigates the stylistic and narratological shifts of the so-called “ciclo do boi”, one of the most popular genres in Brazilian oral poetry, which includes both orally transmitted narratives as Rabicho da Geralda and written and printed “cordel” narratives as Boi Misterioso, by Leandro Gomes de Barros.O presente ensaio estuda as mudanças estilísticas e narratológicas do “ciclo do boi”, gênero que inclui narrativas orais como Rabicho da Geralda e as narrativas cordelistas escritas como O Boi Misterioso, de Leandro Gomes de Barros.