This well-known traditional carol, which is often called Deck the Halls, needs no introduction. The free sheet music can be downloaded below (underneath the video) or via the Sheet Music page.

In this arrangement, both hands stay in position most of the time. But watch out for the right hand thumb-under in bar 11. Notice that all the notes in bars 11-12 can be found in the middle of the 2-octave scale of G major.