Joyce Dumtschin 20 years By Marshall Weiss, The Dayton Jewish Observer Cantor Joyce Dumtschin Every Rosh Hashanah and at a fair number of Bar and Bat Mitzvahs at Temple Beth Or, Cantor Joyce Dumtschin and her husband, Irwin, sing the Debbie Friedman arrangement of Shehecheyanu, the blessing thanking God for