Betrayer is a Metal band from Jakarta, Indonesia, who stood around 1991. Betrayer, the name taken from one of the title track owned trash metal group out, is Kreator. Initial form, Betrayer music's is influenced by many bands a similar kind of music like Kreator, Suffocation, Deicide, Napalm Death, Cannibal Corpse, and Pantera. this band famous in the indonesia's music industry in commercial with hit single with "Bendera Kuning" which is a compilation of songs in the album of indonesia's underground bands, namely "Metalik Klinik" (1). this band back after break the silence of the "shouting" metal band after six years standing, some time apart and 4 pairs of the full album, Betrayer finally released the album "Best of The Betrayer" still under the label Pops/Aquarius Musikindo after their absent for three years.