Peoria Riverfront Jazz Festival
I know jazz probably isn't everyone's cup of tea, but if you do like it, June 13 is the date. It is mostly local acts, but there is some awesome local talent. Disappointed I don't see Kevin Hart (not the comedian) and the Vibe Tribe listed.
peoriajazz.com/cgi-b in/calendar.pl?month =6&view=Event&event_ id=7463