RenHek – System Of A Down – Outer Space / Fortress guitar cover Jul 1, 2015 Cover Fortress, Cover Guitar, Cover Metal, Cover Outer Space, Cover Rock, Cover System Of A Down, Mezmerize, Toxicity II, Like 0 Thanks! You've already liked this « stew – Sequoia Throne (Fortress Cover) – Protest The Hero » Naglfar – Enslave the astral fortress (Guitar cover + Solo)