The nine-time Grammy nominee talks transforming into the legendary gospel singer for the civil rights drama.
Grammy Award-winning musician Billy Preston was born on Sept. 2, 1946, in Houston, Texas.
Mahalia Jackson performed at President John F. Kennedy's inaugural ball on Jan. 20, 1961.
Women played a crucial role in advancing the civil rights movement but were left out of leadership in the March on Washington.
Celebrities who were born and bred in the Big Easy.
Mahalia Jackson was born on Oct, 26, 1911.