Freebird, July 2, 1977

Oakland Coliseum, big Confederate Battle Flag prominently on stage.

https://www.youtube.com/watch?time_continue=100&v=QxIWDmmqZzY&feature=emb_logo

Link at http://americandigest.org/boomer-anthems-free-bird-then-between-then-and-now-now/#more-19073