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 longest serving guitarist Mike Elgar. Notable former original members include chief songwriter Rico Blanco and vocalist Bamboo Mañalac, who later formed the band Bamboo and later went on his solo career.