Joan Baez I Am a Noise” is less a travelogue of Joan Baez’s six decades in music than it is an exploration of her personality, her hopes, her tragedies, her triumphs and her political advocacy on behalf of the cause of peace.  In addition to the music she made early on with Bob Dylan, the film tells of Baez’s difficulties with anxiety as well as her later-in-life wish to confront her parents about what she viewed as unacceptable