The present paper analyzes the motivations of the Censorship Department in censoring a song composed in 1974, initially entitled “O Almirante Negro” (Black Admiral), later altered to “O Mestre-Sala dos Mares” (Mestre‐Sala is a main figure of Carnaval parades in some states of Brazil). The lyrics contain a strong poetic narrative of an episode characterized by racism, authoritarianism and violence, occurred in Brazilian Navy in 1910, known as “Revolta da Chibata” (also know in English as Revolt of The Whip or Revolt of the Lash). Both the title and the lyrics pay tribute to the leader of the revolt: the black mariner Joao Candido Felisberto; who led the crew of two battleships and six vessels in fighting against racism, physical punishment and humiliation against blacks serving in Brazilian Navy in the beginning of the twentieth century.