Sam Grisman Project and Peter Rowan bring an evening of bluegrass, Americana and Grateful Dead-inspired acoustic roots music to the Ryman Auditorium in Nashville. Peter Rowan is a GRAMMY-winning singer-songwriter with more than five decades on the road, and the Sam Grisman Project celebrates his catalogue alongside the music of Old & In The Way. The Ryman is one of the most celebrated venues in modern music, a historic hall where every note carries.