DuPage Symphony Orchestra Sunday, July 19 | 3-4:30P | Gate opens at 2P | Memorial Park FREE! Performance Details: 3-4:30P | DuPage Symphony Orchestra The DuPage Symphony Orchestra (DSO) is a highly accomplished, award-winning symphony orchestra based in Naperville, Illinois. Entering its 73rd season, the DSO is dedicated to presenting inspiring orchestral performances, fostering music education, a