Nationalism - in other words, the dividing of the church into bodies - consisting of such and such a nation, is a novelty, not above three centuries old, although many dear children of God are found dwelling in it.
Many, many years ago, I was one of the few conductors who talked to the audience and now a lot of classical conductors have figured it out... otherwise, you just get the back of someone's head playing music you could hear on a CD. It's not enough anymore.
In a sense, a hit belongs to the person who made it popular, but if a tune is good enough to attain tremendous success, then it certainly deserves more than one version, one treatment, one approach.