Green Day – 21 Guns – Drum Cover Jul 8, 2016 1,039/Smoothed Out Slappy Hours, 21st century Breakdown, Cover 21 guns, Cover Green, Cover GREEN DAY, Cover Punk Rock, Cover Rock, Like 0 Thanks! You've already liked this « Green day holiday -cover- » Rocksmith2014 Bass Cover – Green Day – When I come around 89%