Good post about the music but the words from Key's poem "The Defence of Fort McHenry" are still racist talking about killing black slaves who tried to escape slavery.
http://holyjoe.org/poetry/key.htm (third verse)
https://en.wikipedia.org/wiki/The_Star-Spangled_Banner
RE: The national anthem is a racist song just read the third verse. You wouldn't make Jews stand for a Hitler speech. http://www.paymeinbitcoin.com