Alessia Cara Blake Shelton Bonnie "Prince" Billy Brad Paisley Brandon Heath Brett Eldredge Brooks & Dunn Cage the Elephant CeeLo Green Clutch Coheed and Cambria Dave Barnes David Nail Delbert McClinton Dierks Bentley Dolly Parton Eric Church Erin McCarley Francesca Battistelli Garth Brooks Janis Ian Jennifer Nettles John Rich Kirk Franklin Lady A Natalie Grant Russell Dickerson The Mavericks Toby Keith TobyMac Various Artists Wynonna Judd Zac Brown Band