Last May, my wife and I spent a few days camping at Mammoth Cave National Park before heading to Nashville to catch Fleet Foxes in concert at the Ryman. During one of our caving tours, a park ranger told us about another (somewhat) nearby cave in Tennessee that served as a music venue. One year later and we finally had a chance to check out that unlikely concert space – formally known as The Caverns – for a taping of the PBS program Bluegrass Underground featuring one of my absolute favorites: Gregory Alan Isakov. Continue reading Gregory Alan Isakov Graces the Underground