21 Guns

"21 Guns" is a song by the American rock band Green Day. The song is written in the original key of F major. It was released as the second single from their eighth studio album, "21st Century Breakdown," in 2009. The song was composed by the band members Billie Joe Armstrong, Mike Dirnt, and Tré Cool. "21 Guns" received critical acclaim and peaked at number 22 on the Billboard Hot 100 chart. The track won a Grammy Award for Best Rock Performance by a Duo or Group with Vocal. Fun trivia about the song includes its appearance in the Broadway musical "American Idiot" and its use in the movie "Transformers: Revenge of the Fallen." The melody of "21 Guns" is characterized by its powerful guitar riffs and emotive vocals, showcasing Green Day's signature punk rock sound.