. "solo_singer" . . . "1950Z"^^ . "Americanrhythm and bluessinger and pianist" . . . . . . "1950Z"^^ . . . . . "Edna McGriff (December 16, 1935 \u2013 March 1980) was an American rhythm and blues singer and pianist. She recorded mainly in the 1950s, and secured one hit single on the US Billboard R&B chart with \"Heavenly Father\" in 1952. The record sold over 500,000 copies."@en . "1935Z"^^ . . "1935-12-16Z"^^ . "1980Z"^^ . . . . . . . . "Edna McGriff"@en . "McGriff, Edna"@en . .