This document provides biographies of several important Philippine traditional composers from the 20th century. It discusses composers from different eras who helped develop the modern Filipino musical repertoire by combining Western compositional techniques with traditional Philippine elements. Some of the composers highlighted include Nicanor Abelardo, Francisco Santiago, Lucrecia Kasilag, Ramon Santos, Cipriano Cayabyab, Antonio Molina, and National Artists like Lucio San Pedro, Francisco Feliciano, and Levi Celerio. The document emphasizes how these composers helped establish a unique Philippine musical identity through their innovative works.