The Ravinia Festival is the oldest outdoor music festival in the United States, with a series of outdoor concerts and performances held every summer from June to September. It has been the summer home of the Chicago Symphony Orchestra since 1936.Located in Highland Park, IL, the festival operates on the grounds of Ravinia Park, with a variety of outdoor and indoor performing arts facilities.

The Pavilion, a 3,400-seat venue where the park's major music events and concerts, including Chicago Symphony Orchestra performances, are held. Patrons can see the shows in a traditional concert setting in an open-air theater with state-of-the-art sound, video and lighting equipment or choose to sit in the lawn area and listen to the music while picnicking.