Sheryl Crow spent years as a backup singer and session vocalist before Tuesday Night Music Club, recorded in a Pasadena writing room, became a major American rock debut of the 90s.
On 24 February 1969, Johnny Cash recorded a live Columbia album at San Quentin, a year after Folsom, with the Tennessee Three and a yard full of inmates.
Robert Elfstrom's 1969 documentary Johnny Cash! The Man, His World, His Music follows Cash through prisons and stages just after Folsom and San Quentin.