Green Day – Know Your Enemy guitar cover Apr 27, 2016 1039, 21st century Breakdown, Cover Green, Cover GREEN DAY, Cover Know Your Enemy, Cover Punk Rock, Cover Rock, My cover KNOW YOUR ENEMY Let’s go crazy idiot. Like 0 Thanks! You've already liked this « Green Day – viva la gloria! | (Little girl) | Vocal cover! » Megadeth – Of Mice and Men guitar/solo cover.