Get the Philippines' largest catalog of lyrics and guitar chords of OPM. Trusted reference. 200, 000+ Filipinos have trusted our app. Learn how to play songs of Callalily, Bamboo, Spongecola, Yeng Constantino, Parokya ni Edgar and most of your favorite OPM songs on acoustic guitar. Features. Band photos. Guitar chords of rock bands such as Urbandub, Wolfgang, Kamikazee.