Dennis DeYoung, song writer and founding member of the rock band STYX will perform for invited guests on Saturday, April 17. Milwaukee-based Bucyrus International, Inc., will host the performance to raise funds and build awareness for St. Ann Center, an intergenerational care facility that provides health and educational services for children and frail adults. The event will begin with an opening reception at 6 p.m. followed by the performance at 8 p.m. The concert is open to invited guests only, but guests are encouraged to wear blue jeans and come prepared to sing along.