So this is a really cool video, my dad also has done music and light shows the last two years.... this is what puts me in the spirit!
this is just a site from a search i had done. They use fm tansmitters to play the music through the radio so you can watch and listen at the same time.
http://ebaumsworld.com/2006/07/xmaslights.html
http://ebaumsworld.com/2005/12/xmaslights3.html
http://ebaumsworld.com/2005/12/xmaslights5.html
