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The film revives the name of a show staged in 1977, the same year the film was produced, which brought together an impressive cast of singers, poets, and composers in a moment of reflection and evocation of the revolutionary process. With music and lyrics by artists such as José Mário Branco, Zeca Afonso, Paulo de Carvalho, and Fernando Tordo, and performances by Carlos Paredes, Tonicha, Ary dos Santos, Adriano Correia de Oliveira, and the Mineiros de Aljustrel.