They thought it would last five weeks. Instead it went for 151 spectacular sold out shows over a triumphant year and a half across America. What made this tour extraordinary was that Glen had recently been diagnosed with Alzheimer's disease. He was told to hang up his guitar and prepare for the inevitable. Instead, Glen and his wife went public with his diagnosis and announced that he and his family would set out on a "Goodbye Tour".

The story of the musical Carter and Cash families, the dynasty at the heart of country music. Starting with the Original Carter Family, A.P., Sara, and Maybelle, this film traces the flow of their influence through generations of musicians, the transformation of that act into the Carter Sisters and Mother Maybelle, the marriage of Johnny Cash and June Carter, and the efforts of the present-day family to keep this musical legacy alive. Featuring Johnny...