Academy Award-winning writer (for the 1996 film “Sling Blade“) Billy Bob Thornton is the latest among the brilliant movie actors-turned-musicians, along with fellow Oscar winner Kevin Costner, to flex his singing muscles; arguably he’s most enthralling at the former, although no less entertaining in his display: equal parts wry humor. Backed by his rockabilly band The Boxmasters, Thornton recent show in St. Charles, Illinois.
