The Carol of the Bells, a Ukrainian folk song written by Mykola Leontovych with lyrics by Peter Wilhousky, has always been one of my favorites of those Christmas carols that you are more likely to hear than sing. There are so many fabulous variations that never fail to delight, and the tune has been adapted to reflect so many different cultures (where drums, for instance, in an African version performed at my daughter’s middle school recently). So it was to my great delight to come across two more versions that I thought were, well, just really cool. The first, from the creative talents at North Point Church in Atlanta, appeals to my geeky...