HAYS — The Forth Hays State University Hays Symphony Orchestra’s 2017-18 season will feature music of American and English composers over the course of seven concerts. The free performances range from combined symphony-choir masterworks to intimate chamber concerts, from jazzy musical valentines to a children’s Halloween drama, from the countryside of England to the broad expanse of America’s heartland.All performances except the Winter Vespers Concert will be in the Beach/Schmidt Performing Arts Center in Sheridan Hall on the FHSU campus. The season’s concerts: • Opening Gala Concert, 7:30 p.m. Saturday, Sept. 30.