The Star Spangled Banner by Francis Scott Key is a patriotic song we learn as young Americans in school. While the majority of Americans know the words to the anthem, do we really know WHY we sing it?

Here's a very interesting piece on how Francis Scott Key came to writing the Star Spangled Banner and the purpose behind it.

While it is important to our American heritage to sing the anthem, it is just as important to know why it is so important to us.