Alien Ant Farm All Them Witches Amanda Shires Ashley Monroe Barry Manilow Ben Platt Blackberry Smoke Brandi Carlile Brett Eldredge Brooke White Chris Cornell Chris Isaak Chris Stapleton Colter Wall Gavin DeGraw Halestorm James Bay Jamey Johnson Jason Isbell Lake Street Dive Lori McKenna Mumford & Sons Myles Kennedy Needtobreathe Sammy Hagar and the Circle Shania Twain Shooter Jennings and Hierophant Slash feat. Myles Kennedy & The Conspirators Sturgill Simpson Take That The Highwomen Zac Brown Band ZAYN Zayn Malik