On the front cover of the 2009 re-release of this, it says "Holiday Movie Includes 10 Festive Songs", expect 17 songs are included in this video.
When Barney says "Well, I'm sure we'll find the right one soon.", You can see that his mouth is out of sync with the audio.
When Barney throws the Christmas star to the top of the Christmas tree, the ladder next to the Christmas tree disappears.