The younger brother of Jerry Butler, Billy Butler wasn't nearly as well known as his sibling, but recorded some fine Chicago soul in the '60s. Recording for OKeh under producer Carl Davis, Butler's mid-'60s singles were quite similar to labelmates Major Lance's and (less obviously) Curtis Mayfield's as stellar examples of the finest features of the Chicago soul sound. Similar to Motown in its full, brassy production, the Chicago brand was earthier, with stronger tinges of gospel, doo wop, and Latin influences. Nor was Butler terribly similar to his brother, Jerry, with a punch...