To refresh my memory, I did a search on YouTube for videos. There are several versions, but this is the one closest to what my friend taught me and the signs are very clear. It only has the 1st and last verse, though.
The signs help me focus in on the beauty of the words and music. As you become more comfortable with the signs, they can be very expressive and beautiful too.
Perhaps this could be part of a family performance on Christmas Eve?