This document provides biographical information on several leading Filipino composers from 1880-1900 and 1901-1930. It discusses composers like Francisco Buencamino Sr., Dr. Francisco Santiago, Nicanor Aberlado, and Antonio Molina who incorporated Philippine folk melodies into Western musical traditions. It also profiles composers born in the early 20th century such as Col. Antonio Buenaventura, Lucio San Pedro, Jose Maceda, and Lucresia Kasilag who advocated the use of folk songs and indigenous musical styles.