Blabbermouth.net reports, System Of A Down have confirmed an April 26 release date for "Mezmerize", the first half of their new doublealbum set. The second CD, titled "Hypnotize", will be out sometime this fall. Meanwhile, the first single from "Mezmerize", called"B.Y.O.B.", is poised to arrive at rock radio on or around March 1, according to Launch Radio Networks.