Illinois Symphony Orchestra, Inc. Events Upcoming New Members Categories Symphony Orchestras 501 W. Elliott Ave. Springfield IL 62702 (217) 522-2838 (309) 820-1650 Send Email Visit Website News Illinois Symphony Orchestra's 2025-2026 Season Kicks Off with Star Wars Greatest Hits! Release Date: September 25, 2025 Rep/Contact Info Mr. Trevor Orthmann × Mr. Trevor Orthmann Executive Director Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×