In the premiere episode of Points South, Ken Burns and Rhiannon Giddens discuss the legibility of African and African-American contributions to country music—from the Carter Family to Lil Nas X—and how that influence has been erased in the American consciousness. Later, filmmakers Julie Dunfey and Ken Burns on the soundscape of their PBS documentary Country Music. Plus: Dom Flemons performs from Black Cowboys live from the Oxford American stage.