Scott Avett, left, and Seth Avett of The Avett Brothers perform at the Pilgrimage Music and Cultural Festival on Sept. 23, 2017, in Franklin, Tenn.
Scott Avett, left, and Seth Avett of The Avett Brothers perform at the Pilgrimage Music and Cultural Festival on Sept. 23, 2017, in Franklin, Tenn. Amy Harris Invision/AP
Scott Avett, left, and Seth Avett of The Avett Brothers perform at the Pilgrimage Music and Cultural Festival on Sept. 23, 2017, in Franklin, Tenn. Amy Harris Invision/AP