Green day 21guns (Drum cover) Apr 25, 2016 1,039, 1,039/Smoothed Out Slappy Hours, Cover Green, Cover GREEN DAY, Cover Punk, Cover Punk Rock, Cover. Like 0 Thanks! You've already liked this « Muse Hysteria – Cover w/ Manson DL-1 » Muse – Knights of Cydonia Cover w/ Manson DL-1