2 Aaron Tippin Ashley Monroe Carrie Underwood Chris Young Clay Walker Cristy Lane Crystal Gayle Dan Seals Earl Thomas Conley Eddie Rabbitt Gary Allan Gary Morris George Strait Guy Clark Jamey Johnson Joan Osborne Joan Osborne Joe Nichols Joe Nichols Lorrie Morgan Lynn Anderson Martina McBride Neal McCoy Neil Young Olivia Newton-John Pam Tillis Patty Loveless Paul Overstreet Randy Travis Tanya Tucker Trisha Yearwood Ty Herndon Vince Gill Willie Nelson