Sean Smith – 21st Century Breakdown [Green Day Cover] Jun 1, 2017 1039, 21st century Breakdown, Cover 21st Century Breakdown, Cover Breakdown, Cover GREEN DAY, Cover Punk Rock, Cover Rock, My vocal cover of Green Days‘ 21st Century Breakdown. Recorded in 2010. Like 0 Thanks! You've already liked this « „Red Light“ Cover » „Black Sheep“ performed by Shawn William Smith