Elfonda Mekel (popular known as Once), born in Makassar, 21 May 1970. Once is an Indonesian singer and known as a vocalist of Dewa19. In the end of 2010, Once left the band. Once also ever got award in AMI Awards 2006 as the best solo singer by the hits single Dealova Single : * Dealova - Original Soundtrack Dealova * Ku Cinta Kau Apa Adanya - Unrelease title Aku Mau * Simphony Yang Indah - 2010 Single