"Manhã de Carnaval" appears in multiple scenes in the film, including versions sung or hummed by both the principal characters (Orfeu and Euridice), as well as an instrumental version, so that the song has been described as the "main" musical theme of the film.In the portion of the film in which the song is sung by the character Orfeu, portrayed by Breno Mello, the song was dubbed by Agostinho dos Santos.