ELVIS COSTELLO National Ransom [Hear Music] Elvis Costello has touched on a wide variety of genres during his career, but he usually sticks with one style at a time. On National Ransom, he finally blends two of his distinct artistic modes into one. Last year’s Secret, Profane & Sugarcane featured a band of Nashville acoustic-music ringers, who here are joined by Costello’s longtime rock outfit, the Imposters. The combination is a versatile...