This is easily one of the coolest things I've seen all year. You MUST check it out. If you are able please watch the 19 minute video on the making of it. You will not be disappointed at all. http://www.holdman.com/christmas/glasstree.asp
Also check out the rest of the site. You will see their music videos from last year. Soon they will be posting up the house lights music video for this year as well so bookmark this site and keep tabs on it. http://www.holdman.com/christmas/
Youtube link at the bottom of the Video's Page if they don't work for you.
Enjoy! Merry Christmas and Happy Holidays!