This trombone arrangement of Hark! The Herald Angels Sing is in the key of E flat, and can be played along with other brass and woodwind instruments. Visit the band play-along page for Hark! The Herald Angels Sing for more versions of this carol for other band instruments. Select the image below for a printable PDF of the melody. If you are looking for the carol in a different key, see the main lead sheet page for Hark! The Herald Angels Sing.