in addition, odadjian is a popular dj in the la area, taking part in such events as the "rock/dj explosion" on march 2, 2001 at the roxy in hollywood, ca and collaborating with system of a down bandmate serj tankian on "serart", the singer's collaboration album with multitalented armenian musician arto tunçboyacıyan. odadjian goes by the name "dj tactics", and spins a wide spectrum of music spanning hip-hop, tech-house, classic rock, and metal.