The Apolinario Mabini Hiking Society, later popularly known as APO Hiking Society, or simply APO, was a Filipino musical group. The group had its fledgling beginnings in 1969 at the Ateneo de Manila high school, with 15 members: John Paul Micayabas, Lito de Joya, Sonny Santiago, Gus Cosio, Renato Garcia, Chito Kintanar, Kenny Barton, Bruce Brown, Butch Dans, Kinjo Sawada, Ric Segreto, Goff.
Rivermaya is a Filipino rock band. Formed in 1994, it is one of several bands who spearheaded the 1990s Philippine alternative rock explosion. Rivermaya is currently composed of original members Mark Escueta and Nathan Azarcon, together with Mike Elgar.