Unseen Abyss – Dunkelheit (Burzum Cover ) Dez 22, 2016 Cover Black Metal, Cover Burzum, Cover Christian Rock, Cover Dunkelheit, Cover Unseen, Filosofem, Filosofem - Demo, Cover by Unseen Abyss Burzum. Like 0 Thanks! You've already liked this « I Shaam Cover Unseen Video by Bhuvan Bam I Must Watch …. » Sight Unseen’s cover of Twisted Sister’s „Silver Bells“