Join Janet Byerley for 4 weeks of free Jazzercise classes in the park, July 5 - 28, T/Th , 6-7 p.m. Burn up to 600 calories in one fun and powerfully effective 60-minute total body workout. Every Jazzercise group fitness class combines dance-based cardio with strength training and stretching to sculpt, tone and lengthen muscles. Choreographed to today's hottest music, Jazzercise is a fusion of jazz dance, resistance training, Pilates, yoga, and kickboxing. Start dancing yourself fit! These classes are free and open to the public.