Overview:Celebrated musicians perform at Nashville's Ryman Auditorium in anticipation of the soon-to-be-released "Country Music" documentary series by Ken Burns. Burns, plus some of his colleagues and some musicians, act as hosts and provide a brief history of country music as they introduce each act and show sneak peek excerpts from the series in between the live performances. Many of the musicians that appear in the documentary perform to demonstrate various country music styles including Dierks Bentley, Rosanne Cash, Ketch Secor, Rhiannon Giddens, Vince Gill, Kathy Mattea, Marty Stuart, Dwight Yoakam, and more.