that Key had composed words for the same tune. History things you may not know "9 Things You May Not Know About "The Star-Spangled Banner"" Things You Might Not Know Things You Might Not Know http://www.history.com/news/9-thing...spangled-banner http://www.history.com/news/9-things-you-may-not-know- Star Spangled Banner History that Key had composed words for the same tune. 9 Things You May Not Know About “The Star-Spangled Banner” about-the-star-spangled-banner story of the “Star Spangled Banner” History.com