Would-be Lollapalooza attendees should watch out for ticket scamsWould-be Lollapalooza attendees should watch out for ticket scams ahead of the Chicago music festival. Would-be Lollapalooza attendees should watch out for ticket scams ahead of the Chicago music festival. Would-be Lollapalooza attendees should watch out for ticket scams ahead of the Chicago music festival. Would-be Lollapalooza attendees should watch out for ticket scams ahead of the Chicago music festival. CHICAGO (WLS) -- Lollapalooza fans should watch out before they click or buy.