Biography: Mary Willie Grace Moore (December 5, 1898 – January 26, 1947) was an American operatic soprano and actress. She was nicknamed the "Tennessee Nightingale." Her films helped to popularize opera by bringing it to a larger audience. She was nominated for the Academy Award for Best Actress for her performance in One Night of Love. Description above from the Wikipedia article Grace Moore, licensed under CC-BY-SA, full list of contributors on Wikipedia.