This viola arrangement of Hark! The Herald Angels Sing is in the key of A. Select the image below for a printable PDF of the melody and chords. Visit the Hark! The Herald Angels Sing string play-along page for more versions of this song, so you can play it with violin, cello, and bass. If you are looking for the carol in a different key or would like to play it with other woodwind or brass instruments, see the main lead sheet page for Hark! The Herald Angels Sing. If you would like to play the carol with recorder, choose the version in the key of G.