Country musician Garth Brooks is walking a blurry line between announced retirement and the occasional performance or new initiative. Brooks, who has been claimed the best-selling solo artist of the 20th century in America, retired in 2001 after the album "Scarecrow" to raise his children in Oklahoma, announcing at that time that he would put a stop to his touring and production of records until his children had grown up. Recently though the singer was welcomed heartily when he performed recently at the November 15th Country Music Awards at New York City, where he played his new single "Good Ride Cowboy", which is a tribute to Brooks' friend and rodeo performer, the late Chris LeDoux. Then there's his new deal with Walmart whereby his new "Garth Brooks: The Limited Series" boxed set will be available exclusively at the giant retail store as well as Sam's Club locations. The set contains more than five hours of music on five CDs with several new, previously unreleased recordings as...