Protest the hero – bone marrow outro (cover) Sep 28, 2015 Bless This Nation, Cover bone marrow, Cover Heavy Metal, Cover Hero, Cover Mathcore, Cover Protest the Hero, Fortress, Piano outro. Like 0 Thanks! You've already liked this « Meshuggah – Marrow (Intro + Outro 6 String Guitar Cover) » Protest The Hero – Bone Marrow (Drum Cover)