Tom Hiddleston Sings Hank Williams in Nashville

British actor Tom Hiddleston gave a once-in-a-lifetime performance when he hopped on stage in Nashville, Tenn., to sing after a premiere of the Hank Williams biopic, "I Saw the Light." Tom Hiddleston Sings Hank Williams in Nashville British actor Tom Hiddleston gave a once-in-a-lifetime performance when he hopped on stage in Nashville, Tenn., to sing after a premiere of the Hank Williams biopic, "I Saw the Light."