FILE - In this October 1986 file photo, country music legend Johnny Cash is shown during an October 1986 performance in Jackson, Tenn. His late-career revival boosted his spirits and was a memorable bookend for his work, and the story behind it lifts "Johnny Cash: American Rebel," a two-hour CMT documentary that premieres Sept. 12 at 9 p.m. EDT, on the 12th anniversary of Cash's death at age 71. Cash died Sept. 12, 2003, from complications from diabetes. (AP Photo/Mark Humphrey)