Know System of a Down Drum Cover Jan 11, 2016 Cover, Cover Know, Cover Metal, Cover Rock, Cover System Of A Down, Mezmerize, System of a down, My first ever drum cover! System of a Down – Know. Like 0 Thanks! You've already liked this « Guitar cover by ARLI – Aerials (System of a Down) » System of A Down – Chop Suey- drum cover
