Trace Adkins, Kathy Mattea, Phil Vassar and Trisha Yearwood will sign autographs at the Country Music Hall of Fame and Museum's gift shop during the CMA Music Festival, held June 5-8 in Nashville. Yearwood will sign her new album and new cookbook on June 5 at 10 a.m. Mattea will perform and be interviewed at noon, followed by a signing for her new album. Mattea and Yearwood previously worked as tour guides at the Hall of Fame before signing a record deal. Adkins will also sign his new book and various albums on June 5. Jeffrey Buckner Ford will talk about the book he's written about his father, Country Music Hall of Fame member Tennessee Ernie Ford, on June 6 at noon. On June 7, Vassar will perform at noon, followed by a signing at the gift shop.