Jess Moskaluke Alex Boye Avcii Dami Im Jessica Mauboy Chad Brownlee Idina Menzel Dean Brody Tyler Farr Eric Paslay Sam Hunt Kip Moore Scotty Mccreery Bob Seger And The Silver Bullet Band Jessie J Adam Lambert Miranda Lambert Dustin Lynch Thomas Rhett P!Nk Florence And The Machine The Lumineers