Tracy and Sheila Holland have a Christmas light display that can give Clark Griswold’s lights a run for their money. The Hollands’ lights are synchronized to music and attract many people their home at 264 Beacon Drive. The Hollands have a sign in their yard asking everyone to tune their radio to FM station 89.9.Sheila saw a music synchronized light show on TV a few years ago and asked her husband if he could create a similar one in their yard.“I Googled it and studied how to do it.