Answer: a lot. Like, a whole lot. The following isn’t at all definitive, but it should give you a sense of the historical milieu from which the song came.
I think all of us have a vague idea that “The Battle Hymn of the Republic” has something to do with the Civil War, and you may or may not be aware that its tune is the same as “John Brown’s Body.” a popular song among Union soldiers that they had adapted from an old Methodist revival song, “Say, Brothers, Will You Meet Us.” Wikipedia says this about the origin of the words, taken from an account by a soldier::

Why yes. I’m glad you asked.
The choir to which I belong performed this piece only two years after its 2015 premier. The composer, Philip Biedenbender, was a senior at St. Olaf College at the time and a member of the famous choir attached to the school. He’s gone on to build a career, with many other works to his credit. You can visit his website 


Um, I guess so. I’m going to try, anyway.
