We have to join the chorus, led by Billboard magazine, calling for the Oak Ridge Boys’ induction into the Country Music Hall of Fame. Go to their concert this week and you’ll understand why. Sure, their 40-plus years of No. 1 hits — including “Elvira,” “American Made” and “Bobbie Sue” — consistently full concerts and tireless work for the American Legion and other charities more than qualify them for this prestigious induction. Yet it’s the reverence with which Merle Haggard, Keith Urban, Vince Gill, Lee Brice and other major performers hold them — which is more than returned by the...