Let It Ride! Continues to Ride
By Peter Filichia " Here's a Broadway trivia question that's not easy to answer. What musical opened on a holiday that celebrates a person mentioned in one of its songs? No, no musical that opened on St. Valentine's Day cites that saint. No musical that opened on St. Patrick's Day mentions him, either. But Columbus Day -- Oct. 12 " was the day that Let It Ride! opened on Broadway. And Columbus is indeed invoked…