Black Sabbath – Behind the wall of sleep (bass cover) Mai 27, 2015 Black Sabbath, Cover Behind The Wall Of Sleep, Cover Black, Cover Black Sabbath, Cover Hard Rock, Cover Heavy Metal, Live Evil, I love the bass lines of this song. Like 0 Thanks! You've already liked this « Black Sabbath: Supernaut » Zakk Wylde – Into the Void (Black Sabbath cover)