Now the longest-running music series in American television history, ACL showcases popular music legends and innovators from every genre.

The Midnight Special is an American late-night musical variety series that aired on NBC during the 1970s and early 1980s, created and produced by Burt Sugarman. It premiered as a special on August 19, 1972, then began its run as a regular series on February 2, 1973; its last episode was on May 1, 1981. The ninety-minute program followed the Friday night edition of The Tonight Show Starring Johnny Carson. The show typically featured guest hosts, except for a period from July 1975 through March 1976 when singer Helen Reddy served as the regular host. Wolfman Jack served as the announcer and frequent guest host. The series also occasionally aired vintage footage of older acts. As the program neared the end of its run in the early 1980s, it began to frequently use lip-synched performances rather than live. The program also featured occasional comedic performances such as Richard Pryor and Andy Kaufman.

A journey into the world of well-traveled singer-songwriters like Peter Case, Mary Gauthier, Chris Smither, Dave Alvin, Slaid Cleaves and many more. The film contains live performances of 40 brilliantly crafted songs, as well as informal moments and interviews in which the artists reflect on audiences, songwriting, the music business, and life.