As Hollywood's only true expert in Mexican music, Alex North was the only credible choice to score Elia Kazan's Viva Zapata! (1952). North absorbed the country's musical culture in 1939, when he worked as a member of the Anna Sokolow dance company and as a student of Silvestre Revueltas (1899-1940). Zapata! shimmers with invention, though always in ways tied closely to ...