When talking about deep bluesmen who are also great entertainers, the conversation will eventually get around to the coolest bassman/singer/showman the Windy City has in its blues arsenal, Big Mojo Elem. As a singer, he possesses a relatively high-pitched voice that alternately drips with honey and malice. As a bassist, his unique approach to the instrument makes him virtually one of a kind. Unlike most bass players, Elem seldom plays standard walking bass patterns, instead using a single-note groove that lends to any band he's a part of a decidedly juke-joint groove. And as a...