System Of A Down, Science, Drum Cover By Dennis Landstedt Feb 17, 2016 Cover, Cover Rock, Cover System, Cover System Of A Down, Mezmerize, Toxicity, System Of A Down, Science, Drum Cover By Dennis Landstedt. Like 0 Thanks! You've already liked this « Balaclava – 505 (Arctic Monkeys Cover) » Balaclava – Artic Monkeys (cover)