MUSIC DOCUMENTARY PREMIERE: In 1974, the then-reclusive Bob Dylan embarked on a comeback reunion tour of sorts, joining with his “Basement Tapes” cohorts The Band on a high-intensity, high-volume national tour. I saw one leg of that tour, at a January 1974 concert in the Everglades in Hollywood, FL. The following year, Dylan gathered a new set of cohorts, and began what he called the Rolling Thunder Revue. At first, it was an ad hoc adventure on a rather small scale, then morphed int