Voivod – Chemical Warfare – Live (Slayer cover) Jul 26, 2015 Cover Chemical Warfare, Cover Metal, Cover Slayer, Cover Thrash Metal, Cover Voivod, Live Undead, Show No Mercy, Live cover, some time in 80’s decade, probably 1986. Only audio. Like 0 Thanks! You've already liked this « Forgotten in Space (Voivod tribute) Killing technology cover » Voivod – Astronomy Domine Live – Heavy Montreal 2014