Green Day- 21 Guns Electric Guitar Cover Jun 4, 2017 1,039/Smoothed Out Slappy Hours, 21st century Breakdown, Cover 21 guns, Cover Green, Cover GREEN DAY, Cover Punk Rock, Cover Rock, First cover hope you like. Like 0 Thanks! You've already liked this « Guns n Roses / Slash Sweet Child O‘ Mine Cover Electric Guitar Solo » Mama Kin – Guns N’Roses (Electric guitar cover)