This viola music for Auld Lang Syne is in the key of C. Select the image below for a printable PDF of the melody. The Auld Lang Syne string play-along page has more versions of this song, so you can play it with violin, cello, and bass. The band version of Auld Lang Syne is also in the key of C, so you can play along with winds and brass instruments. If you are looking for a different key or instrumental range, the lead sheet page for Auld Lang Syne has versions in seven different keys, in treble, bass, and alto clefs, as well as the lyrics to the carol.
See the transposition page for explanations and charts to help you determine the appropriate key to play in when performing with instruments that are not in concert key. More Christmas songs for viola.