The Swearengens The Knitters Idan Ihmeet Kevin Crawford The Paul Mckenna Band R.Wan Blackberry Bushes Stringband Old Blind Dogs The Maldives Gertrude'S Hearse The Crux Jennifer Nettles Slainte Mhath Marty O'Reilly & The Old Soul Orchestra Crystal Bowersox Jamestown Revival Lori Mckenna Alison Kraus & Union Station Big Head Todd And The Monsters Oonagh Allison Krauss And Union Station Rocky Votolato Hot Buttered Rum Carbon Leaf Hackensaw Boys The Last Bison Greensky Bluegrass Pat Green The Waifs Rodrigo Y Gabriela Gram Parsons Old Crow Medicine Show Celtic Woman Drive-By Truckers Martina Mcbride Nickel Creek Bonnie Raitt Alabama Shakes Hozier Johnny Cash Paul Simon Dave Matthews Kings Of Leon Mumford & Sons Red Hot Chili Peppers