Serj Tankian – Goodbye gate 21 cover Jun 12, 2015 Cover, Cover Alternative, Cover Gate 21, Cover Serj Tankian, Imperfect Harmonies (Deluxe Limited Edition), This is my cover of Serj Tankian, I know it’s not perfect but please enjoy =) Like 0 Thanks! You've already liked this « Sky is Over (Serj Tankian piano cover) » Serj Tankian Sky is Over Cover