Millennium Park opening, 2004. (Department of Cultural Affairs and Special Events / Terry Evans)

In addition to a special four-day celebration of Millennium Park, city officials announced dates for major summer events including an earlier-than-usual Air and Water Show.

The Grant Park Music Festival opens in one week, making classical music accessible to anyone who's interested. But the makeup of orchestras across the country doesn't always reflect the makeup of surrounding communities.

A new Science & Symphony production is premiering at the Grant Park Music Festival. It's a musical and visual journey through the Northern Lights.