Green Day – 21st Century Breakdown (Solo Guitar Cover) Jan 19, 2018 1039, 21st century Breakdown, Cover 21st Century Breakdown, Cover Breakdown, Cover GREEN DAY, Cover Punk Rock, Cover Rock, anyways here’s 21st century breakdown. Like 0 Thanks! You've already liked this « Green Day (Mini Cover) Boulevard of Broken Dreams » American Idiot – Drum Cover – Green Day