Editor’s Note: Bryan Reesman is a New York-based journalist. He is the author of “Bon Jovi: The Story” and host of the YouTube show “Side Jams.” The views expressed here are his own. Read more opinion ...

Protest songs, from “John Brown’s Body” to “Fight the Power,” have had a long and celebrated history of advocating for social change — and, in many cases, of uniting people behind important causes ...