One of two Chess legends to have claimed the title of "Queen of the Blues," she died yesterday following complications from surgery. She was one of the very few women to sing the blues the way the men sang it. (It's fitting that her greatest hit, "Wang Dang Doodle," was a success for Howlin' Wolf, too, since she sounded more like him than any other woman.)
You're either sad over this great loss to music, or you haven't heard her sing. If you've not heard her, you'll be saddened when you do.