Dalva de Oliveira or Vicentina de Paula Oliveira (May 5, 1917 - August 31, 1972) was a Brazilian singer and one of divas of the Radio Era.\r De Oliveira was born in Rio Claro, São Paulo, Brazil. She was married to composer Herivelto Martins and mother of singer Pery Ribeiro. On August 31, 1972, Oliveira died in Rio de Janeiro as a victim of internal bleeding, probably caused by cancer.