One of the most popular singers of the '40s and '50s in Brazil, Dalva de Oliveira is considered a most expressive interpreter of Brazilian popular music. Her biggest hits are "Olhos Verdes" (Vicente Paiva), "Ave Maria" (Vicente Paiva/Jaime Redondo), "Tudo Acabado" (J. Piedade/Oswaldo Martins), "Kalu" (Humberto Teixeira), "Fim de Comédia" (Ataulfo Alves), and "Bandeira Branca" (Max Nunes/Laércio Alves). As a member of the Trio de Ouro, Oliveira had three big hits: "Praça Onze" (Herivelto Martins/Grande Otelo, 1942), "Ave Maria no Morro" (Herivelto Martins, 1943), and "Segredo" (Herivelto Martins/Marino Pinto, 1947). She also had success in films with Berlim Na Batucada (1944), Caídos do Céu (1944), Maria da Praia (1951), Milagre de Amor (1951) and Tudo Azul (1952). Her international career included performances in Portugal, Spain, England, and other countries.