Will Hoge Mike Doughty Colin Hay Jason Eady Ben Jelen Folk Soul Revival Granger Smith Tyler Lyle Gary Jules Mac Mcanally Red Wanting Blue Devon Gilfillian Oval Opus Logan Brill Luke Brindley Mike Ryan Idle Sons Freedy Johnston Carry Underwood Sean Costello Dip Doyle Bramhall Ii Jesse Dayton J Kelly Kevin Costner Bones Owens Grady Spencer King Missile Rob Baird Zach Brown Koe Wetzel M Doughty Jason Isbell The Steel Woods Barry Mcguire Bob Schneider Striking Matches The Last Revel Seasick Steve Tinted Windows Mama Cass Wheeler Brothers Us And Our Daughters Ben Lee Jessica Lea Mayfield Baro Jamie Johnson Randy Travis The Shameless Idols