If you haven't seen Ken Burns' mammoth PBS documentary series Country Music, it's a stunning achievement. The Spotify playlist below reflects some pivotal moments from the show and is a kaleidoscopic tour of American musical currents. On 9/19, Burns will joins Kathy Mattea, Sara Evans and Live Nation President of Nashville music Sally Wiliams for a panel discussion at Bank of America Tower in NYC; stay tuned for reports on that. In the meantime, dive into the music.