Last month, I was able to attend Gamer’s Rhapsody, a new convention focused on the art and music of games. As I wrote about previously when covering Arnie Roth’s A New World tour, video-game music has come a long way from the blips and boops of arcade machines and the first home consoles. As acceptance and respect for gaming music grows, so does the fanbase. And, as in my case, it pulls people who have long been fans of...