"2010-03-23Z"^^ . . . "1948-03-20Z"^^ . "Marva Wright"@en . . . . . . "2010Z"^^ . "Wright, Marva"@en . . "Marva Wright (March 20, 1948 \u2013 March 23, 2010) was an American blues singer."@en . . . . "American singer" . "solo_singer" . . . . . . . . "1948Z"^^ . . . . . . . .