Let there be light

Last night saw the high solemn lighting of the lamps here in the rectory: 60 battery-operated, self-timed, flickering candles for the windows (replacing an equal number of antique electric ones with equally aged timers that had me living in fear of house fire last Christmas).  Before and after:

I'm not sure which to sing: Twinkle, Twinkle or This Little Light of Mine...