Super singers Garth Brooks and Trisha Yearwood give an exclusive live performance for Wal-Mart customers. The one-hour show broadcasts in the electronics departments of all 2,374 Wal-Mart stores at 8 p.m CDT. AND! Arista/Nashville makes high-tech history today with the release of the company's first enhanced CD -- Alan Jackson's seventh studio disc, High Mileage. The enhanced disc will offer fans great music along with video and soundclips from the entertainer's previous releases; photos of the Georgia native; biological facts and Web links to his www.ajackson.com site. Additionally, Arista/Nashville's inaugral ECD has never-before-seen concert footage of Jackson's now-famous Center Hill Lake show and an exclusive live videoclip of the hit, "Home."