You can buy evangelical music in a ton of outlets, especially these days when everything is online. If you ever go to a Presbyterian church, you'd be surprised how much music sounds a lot like JW music, all created in the 1800s-now.
Aled Jones - Listen, Obey and be Blessed. Really!
I seriously don't think Warner Music Group, a multi-billion dollar company would risk releasing a song without being completely legal. All their lawyers, recording teams, advisors are there because they're good at what they do.
You think a multi-billion dollar company would risk being sued by some tin-pot sect in America over one song?
Watchtower have to have agreed to this.