Some dedicated heavy metal fan has cleverly synced his home's Christmas lights with the Slayer song 'South of Heaven,' complete with flashing devil horn-hands and an evil singing snowman.

It's quite an intense yuletide display, and should go a long way toward teaching the owners of other homes with musically-oriented Christmas lights how to really rock.

The bang-your-head-until-your-Santa-hat-flies-off video is below.

[via Videogum]