Greatest Hits: The Show Dog Years is the fourth greatest hits album by American country music artist Toby Keith. It was released in October 25, 2019 via Show Dog Nashville. It features two new tracks, "That's Country Bro" and "Back in the 405", in addition to "Don't Let the Old Man In", a song previously recorded in 2018 for the Clint Eastwood film The Mule. Wikipedia