Chicago blues and soul septet Otis took the stage April 18 at Metro, 3730 N. Clark St., and delivered nothing but funk and energy from the first note to the last. Little did the band know, amid the blue lights and more than 700 Columbia students and supporters, that they would be named winner of a $3,000 cash prize.Thirteen bands competed at Columbia’s annual Biggest Mouth music competition hosted by the Student Programmin...