Helloween – If i Knew ( cover ) Jan 12, 2016 Cover, Cover Helloween, Cover Metal, Cover Rock, Keeper of the seven Key's, The Best - The Rest - The Rare, A favorite Helloween song ( Andi Deris era ) Like 0 Thanks! You've already liked this « Cockroach King vocal cover » the GazettE – Cockroach [Bass cover by yu~ki]