Throughout his career, documentary filmmaker Matt Wolf has excelled at portraits of complicated artists and individuals whose work is both highly idiosyncratic as well as, at least seen in retrospect, emergent from specific cultural, social and political milieus. Early work include two films — a short, Smalltown Boys, and his feature debut, Wild Combination — about, respectively, two seminal downtown New York figures of the ’70s and ’80s, artist David Wojnarowicz and composer Arthur R...