Vanished South Dakota: Towns of Yesterday premieres on SDPB, August 19 at 7pm (6 MT) - read about the birth, boom, and demise of these once-prosperous communities. Also inside- upcoming music events in South Dakota in honor of Ken Burns' Country Music Documentary. Join SDPB and the National Music Museum as historical instruments owned by Johnny Cash, Earl Scruggs, and other famous musicians come out of the museum and make music again.