"Knockin' on Heaven's Door" is a song written an performed by Bob Dylan for the soundtrack of the 1973 film Pat Garrett & Billy the Kid. The song reached #12 on the Billboard Hot 100 singles chart. The song consists of four chords in the key of A minor 7 (dorian mode): G, D, Am7, and C. The basic pattern throughout the song is G-D-Am7-Am7 and then G-D-C-C, and this is repeated. In 2004, it was voted #190 by representatives of the music industry and press in Rolling Stone magazine's 500 Greatest Songs of All Time issue.