Concerto is about how, in the last part of World War II, a special piano concert is held in the forest outside Davao City, in Mindanao. In these boondocks, a displaced Filipino family, lead by Military Commander Ricardo and his wife Julia, become acquainted with a group of Japanese officers, similarly camped nearby. Their son Joselito, a Japanese speaker, becomes the conduit with the neighboring Japanese. Their daughters Niña, an aspiring concert pianist and the musically gifted, Maria, who is a...