Julia Child

Julia opens to the raucous, back-and-forth guitar licks of Jimi Hendrix’s “Fire” — a decidedly unanticipated and seemingly outside-the-box choice for co-directors Julie Cohen and Betsy West’s genial nonfiction assaying of author and celebrity chef Julia Child, which otherwise trades largely in traditional rhythms, and unfolds in expected ways. But then again, maybe, given its lyrical evocation of “only one burning desire,” it appropriately captures the singular passion of its subject.