I have it on good authority that today’s selection for the Musical Advent Calendar will be remembered by those of you who grew up in the UK in the 70s. I don’t remember this track making any waves here in the US, but I was listening to the Muppets at the time, so what do I know? Based on the universal source of record for all things, Wikipedia, I learned that this 1978 cover of “Mary’s Boy Child/Oh My Lord” by Boney M is “one of the best-selling singles of all time in the UK.”

Here’s a dose of disco Christmas: