Forrás: 21 Guns. from Green Day's American Idiot. Choir sheet music. 21 Guns. Arranged by Roger Emerson. For Choral. SATB. Broadway Choral.
Fordítás: Tagjai: Billie Joe Armstrong, David Bowie, Frank Wright, John Phillips és Mike Pritchard. Kórus kotta. A Choral. 16 oldal.