This document provides an overview of the traditional music styles of several Southeast Asian countries, including Indonesia, Myanmar, Laos, and Vietnam. It notes that the classical music of Laos is influenced by India, Cambodia, and Thailand, and features two types of orchestras, including one that incorporates the khene, a large bamboo mouth organ. The document also states that Vietnam's traditional music is called "Nhac Viet Nam" and originates from the Kinh people, though various ethnic minorities also have their own distinct musical styles.