15 Alan Jackson Anne Wilson Blake Shelton Bob Seger Brad Paisley Brantley Gilbert Brett Young Brooks & Dunn Chely Wright Chris Cagle Clay Walker Dan + Shay Darius Rucker David Lee Murphy Faith Hill Granger Smith Gwen Stefani Jake Owen Jana Kramer Joan Osborne Joan Osborne Joe Nichols Joe Nichols Josh Turner Kathy Mattea Keb' Mo' Keith Urban Kellie Pickler Kenny Rogers Lady A Lady Antebellum Lee Brice Lionel Richie Lonestar Lorrie Morgan Luke Bryan Luke Combs Lynyrd Skynyrd Martina McBride Midland Miranda Lambert Montgomery Gentry Randy Travis Rascal Flatts Reba McEntire Riley Green Rodney Atkins Scotty McCreery Steve Holy Toby Keith Trace Adkins Trent Tomlinson Trick Pony Ty Myers Various Artists Vince Gill William Michael Morgan Wynonna Judd