Documentary, album explore Loretta Lynn's Appalachian roots

In this Feb. 10, 2016 photo, Loretta Lynn poses for a photo at the Municipal Auditorium in Nashville, Tenn. The country icon's Appalachian musical roots are explored on a new "American Masters" documentary on PBS as well as her first new studio album in a more than a decade, "Full Circle," both debuting on March 4. less In this Feb. 10, 2016 photo, Loretta Lynn poses for a photo at the Municipal Auditorium in Nashville, Tenn.