Alessia Cara Blake Shelton Bonnie "Prince" Billy Brad Paisley Brandon Heath Brett Eldredge Brooks & Dunn Cage the Elephant CeeLo Green Clutch Coheed and Cambria Dan + Shay 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