21 Guns. (Original Sheet Music Edition). By Green Day. For Piano/Vocal/Guitar. Artist/Personality; Piano/Vocal/Chords; Sheet; Solo. Piano Vocal. Pop. 8 pages. Alfred Music Publishing #34011. Published by Alfred Music Publishing (HL.322288).
This sheet music features an arrangement for piano and voice with guitar chord frames, with the melody presented in the right hand of the piano part, as well as in the vocal line.