For many years, Dad would write himself a letter on December 31, summarizing the year’s events and looking to the next. These letters functioned like a personal inventory of sorts. In the one Dad wrote to himself at the end of 1968, he recounts one of the most important years of his life. It was important in so many ways: 1968 was the year of the Folsom Prison concert and the year he married my mother, among many other significant occurrences.
Excerpt from John Carter Cash – House of Cash: The Legacies of My Father, Johnny Cash