Jefferson Symphony Orchestra will present its season opening concert on Sunday, Oct. 19, at 3 p.m. The opener will featuring guest artist Marcia Ragonetti, mezzo soprano, singing Songs of a Wayfarer and Gershwin selections, as well as the popular William Tell Overture, Die Toteninsel and The Incredible Flutist: Suite. Tickets are $25 for adults, $20 for Seniors 62 and over, $10 for students aged 11-21 and $5 for children 10 years old and under. To purchase tickets call 303-278-4237 or email Info@Jeffsymphony.org.