CHARLES ARTIGAS Greenday 21 Guns BASS Cover – TABS Jun 22, 2017 American Idiot, Cover, Cover Big Band, Cover Greenday, CHARLES ARTIGAS Greenday 21 Guns BASS Cover – TABS. Like 0 Thanks! You've already liked this « CrashHard – Don’t Stop Believin‘ (Journey Cover) » Good Riddance~ Green day Cover