21 Guns by Green Day Piano Cover Sep 6, 2016 1039, 21st century Breakdown, Cover 21 guns, Cover Green, Cover GREEN DAY, Cover Punk Rock, Cover Rock, I messed up a couple of times but in general I think I did a good cover to this great song! Like 0 Thanks! You've already liked this « Electric Wizard – Turn off Your Mind (bass cover) » Electric Wizard – Venus in Furs (bass cover)