My guest this week is Wayne Erbsen, professor of old-time and bluegrass music at the University of North Carolina at Asheville. Wayne joins me to talk about half a century of writing about old-time and bluegrass music, including his latest book Southern Mountain Music: The Collected Writings of Wayne Erbsen. Over the past 50 years Wayne has interviewed many legendary figures in Appalachian music, as well as many lesser known names (including the guitarist who acted as AP Carter's 'human tape...