Revenga System of A Down [ipad drum cover] Okt 7, 2017 Cover, Cover Metal, Cover Revenga, Cover Rock, Cover System Of A Down, Mesmerize, Mezmerize, Wow…. Like 0 Thanks! You've already liked this « System of a Down – Chop Suey – Drum Cover TD-15 » Lonely Day- System Of a Down (drum cover)