What is "chicagofest"

ChicagoFest was a summer music festival in the city of Chicago, started in 1978 by Mayor Michael Bilandic. It was held annually at Navy Pier, and lasted for roughly two weeks. It featured sixteen separate stages, each sponsored by a national retail brand and a media sponsor compatible to the stage's format, e.g. Rock WLUP, Chicago Tribune Jazz, Miller Brewing Company Blues and WXRT, that broadcast live from the festival. The stages were: Rock, Classic Rock, Country, Blues, Comedy, Roller Disco, Pin Ball Arcade, Jazz, Children's, Variety, Ethnic, as well as a Main stage seating 30,000. There were approximately 600 performances produced each year.