I rather think it is, Dick. And the most popular traditional ballad, going by the number of times it's been collected.

However, what I think Emmie was after (is she still here to comment on our efforts, by the way?) was a song with multiple recorded arrangements in different musical styles, not necessarily variants.

Here are a couple of 'Barbara Allen' recordings from the days of early Country music (also different variants, as it happens).

Vernon Dalhart

Bradley Kincaid