21 Guns – Green day (Heart Sanitizer Band Cover) Nov 2, 2016 1039, 21st century Breakdown, Cover 21 guns, Cover Green, Cover GREEN DAY, Cover Punk Rock, Cover Rock, Without vocalist, just for fun. Follow us : heartsanitizer. Thanks for watching. Like 0 Thanks! You've already liked this « Green Day – Wake Me Up When September Ends (Guitar Cover). » Green Day-Ordinary World (Vocal Cover)