Tim McGraw has been revealed as the first performer at a new music festival in Springfield, Mo., scheduled for June 17-19. Billed as the Show-Me Music and Arts Festival, the event will offer more than 20 artists, according to festival organizers, with additional performers announced in the coming weeks. The lineup will include country, bluegrass and alternative bands. So far, the roster also includes Love and Theft, Jessie James and Steve Holy. Festival organizers hope the festival will draw fans from nearby cities like Kansas City, Mo.; St. Louis; Tulsa, Okla.; and Little Rock, Ark.