In the first comprehensive documentary to chronicle the private life and public career of Joan Baez, How Sweet The Sound examines her history as a recording artist and performer as well as her remarkable journey as the conscience of a generation. How Sweet The Sound features interviews with David Crosby, Bob Dylan, the Reverend Jesse Jackson, Roger McGuinn and others, as well as a candid conversation between Joan and ex-husband David Harris. The film is rich is historic archival material including footage of Baez' controversial visit to North Vietnam, Martin Luther King Jr. outside a California prison, where he visited Joan to offer his support after she was jailed for protesting the draft during the Vietnam War, and never-before-seen film of Joan as a teenager performing at Club 47 in Cambridge, where her career was launched in 1958.