When conductor Gustavo Dudamel's international tours are disrupted by deadly protests across his native Venezuela, one of the world's finest and most beloved musicians faces a daunting set of challenges -- to his commitment to the mentor who changed his life, to friends and musicians he's led since his teens, and to his belief in art's transformative capacity. Viva Maestro!, the uplifting and timely new documentary from acclaimed director Ted Braun, follows Dudamel around the world as he responds to unexpected and imposing obstacles with stirring music-making that celebrates the power of art to renew and unite.