 he looked at African-American contributions to Appalachian culture. And he focused on one aspect that is undeniably African in nature, and that's the one instrument that we perhaps most associate today with Appalachia, and that is the banjo. It's the most Appalachian, I would argue, of instruments, right? And Lomax points out that the way it's played in the mountains betrays its African heritage, an instrument only brought into many districts with the railroads in the tail end of the 19th century.