We've seen the tune "Kingsfold" several times (including earlier
this week). This tune is called "Star of County Down," after the Irish ballad of the same name, and is maybe a little more "irregular" in that you can skip some syllables/merge them into one. But it's almost the same melody, if you overlook the "pickup" notes, and tack on a refrain that's the second half of the melody repeated.
This particular text is not traditional, it was written in 1990. But it's an adaptation of the Magnificat, which of course is ancient, and puts the emphasis on God's actions as revolutionary and upheaving the previous world order. The original version has stuff like "He has cast down the mighty from their thrones, and has lifted up the humble," and this arrangement repeats "the world is about to turn."
In the musical "Hamilton," as the defeated British troops leave Yorktown, they're mentioned to be singing a drinking song called "The World Turned Upside Down," which fits well with the themes of radical change in that story. The historical references linking that song with Yorktown don't start until several decades after the event, but it might be one of those details that's too good not to pass down. So this raises a question that's been good sermon fodder--is the drinking song based on the social change in the Magnificat?
Based on screwing around on Wikipedia, it looks like it's actually based on the time in the mid-1600s when the Puritans in Parliament tried to
abolish Christmas celebrations (!! this was a couple decades after the Puritans left for Plymouth, but that's another story), and that the
quote about people turning the world upside-down is from the book of Acts. However, if you have any further leads on these connections, please do comment--I know some pastors who would love to hear from you. ;)