Petrillo Music Shell

James C. Petrillo Music Shell or simply Petrillo Music Shell or Petrillo Bandshell as it is more commonly known, is an outdoor amphitheater/bandstand in Grant Park in the Loop community area of Chicago in Cook County, Illinois, United States. It serves as host to many large annual music festivals in the city such as Chicago Blues Festival, Chicago Jazz Festival, Taste of Chicago and Lollapalooza.