The fascinating documentary profiles one of most influential classical musicians of the 20th century and America's musical ambassador to the rest of the world: Leonard Bernstein. As a teacher, conductor, composer, and pianist, Bernstein tore down barriers in the classical world, reaching a worldwide audience. The documentary also includes interviews with Leonard's children Jamie, Alexander, and Nina, as well as other notable figures in the music world such as Gustavo Dudamel, Stephen Sondheim, Kent Nagano and Marin Alsop.