. . "Malcolm B. Wiseman (born May 23, 1925), better known as Mac Wiseman, is an American bluegrass singer, nicknamed The Voice with a Heart."@en . "1925-05-23Z"^^ . "1944Z"^^ . . . . . . . . . . . . . "Mac Wiseman"@en . . . . . . "Malcolm B. Wiseman"@en . . "solo_singer" . . "1925Z"^^ . . "Wiseman, Mac"@en . "American musician" . .