Radio producer Andrew Joffe presents free live sound effects demonstration and workshops where participants will learn how to use their bodies, voices and everyday household implements to create the sounds of helicopters, broken bones, falling bodies and horses’ hooves. Two workshops, Oct. 5 and Oct. 12. Participants will have the opportunity to be trained to perform in the next production of the Hudson Air live radio program at Hudson Opera House, Sat., Oct. 27. For information, hudsonoperahouse.org.