Heartworn Highways

Heartworn Highways is a documentary film by James Szalapski whose vision captured some of the founders of the Outlaw Country movement in Texas and Tennessee in the last weeks of 1975 and the first weeks of 1976. The film was not released theatrically until 1981. It has since gained cult status amongst fans of the genre.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.