Unbeknownst to most people, Summerfest is actually the world's largest music festival. So when it came time to invite our neighbors to the South to this annual event, we looked to another form of entertainment that both Milwaukee and Chicago go batshit crazy for: Sports. Now, because of the geographical proximity, the two cities have had a bit of a contentious relationship (Cubs fans routinely invade Miller Park in the summer, referring to it as, 'Wrigley North') so we figured, what better place to promote the galvanizing effect of music than outside Chicago's stadiums?