Chicago Blues Festival
Until 2017 , the event always took place at and around Petrillo Music Shell in Grant Park , adjacent to the Lake Michigan waterfront east of the Loop in Chicago . 
<triplet> Petrillo Music Shell <subj> Grant Park <obj> location <subj> Chicago <obj> located in the administrative territorial entity <triplet> Grant Park <subj> Chicago <obj> located in the administrative territorial entity <triplet> Loop <subj> Chicago <obj> located in the administrative territorial entity <triplet> Chicago <subj> Lake Michigan <obj> located in or next to body of water