Serj Tankian Goodbye – Gate 21 Cover Jun 12, 2015 Cover, Cover Alternative, Cover Gate 21, Cover Serj Tankian, Imperfect Harmonies (Deluxe Limited Edition), Like 0 Thanks! You've already liked this « Serj Tankian – Left of Center drum cover » Sounds of War (Serj Tankian Cover) [The Entirety System] DEMO