Dale Earnhardt Jr Jr

As the opener for a three-act bill with Family of the Year and Atlas Genius, Dale Earnhardt Jr. Jr. had just a half hour to make their mark, and so followed a short, six-song list, comprised of four songs from their 2013 album, “The Speed of Things” and just two (“Almost Lost Detroit” and “Nothing But Our Love”) from their 2011 debut, “It’s a Corporate World.”

And Josh Epstein (below, left) told WGP how the pair structure a show...