An American country music singer-songwriter, Nunn is also considered the father of the progressive country scene that started in Austin in the early 1970s. Nunn's songs have been recorded by various nationally-known country artists, including Jerry Jeff Walker, Michael Murphey, Tracy Nelson, David Allan Coe, Rosanne Cash, and Willie Nelson among others.
With a continuing array of successful solo albums and an army of fans, Nunn has made a permanent mark on the Texas/Southwestern/Country/Folk music scene.