Carolina Chocolate Drops, photo by Julie RobertsThe American folk music tradition runs deep, and is as diverse and eclectic as the country itself. Old-time music, a catch-all term for folk music that pre-dates what we now refer to as bluegrass or country, is part of this fabric. And while this genre is often associated with rural white communities in Appalachia, its true history is more complex. One part of the country that gave rise…