This Land is Your Land by Woody Guthrie

https://www.washingtonpost.com/news/morning-mix/wp/2017/02/06/if-you-thought-lady-gagas-halftime-show-was-apolitical-consider-the-origin-of-this-land-is-your-land/?utm_term=.6f63b4783e00&wpisrc=nl_most-draw14&wpmm=1

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