. "Gray, Doug"@en . "1948-05-02Z"^^ . "solo_singer" . "Doug Gray"@en . . "1948Z"^^ . . "1960Z"^^ . . . "American musician" . . "Doug Gray (born May 2, 1948) is an American singer best known as the lead vocalist of The Marshall Tucker Band."@en . . "1948-05-22Z"^^ .