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.Former original members include Rico Blanco, who had been the original songwriter of the band and vocalist Bamboo Mañalac, who later formed the band Bamboo and later went on his solo career.Rivermaya is listed in the top twenty five biggest-selling artists/act in the Philippines as of present.