CHICAGO - Chicago-born DJ and producer John Summit is hosting a surprise pop-up concert Wednesday afternoon at Gallagher Way.

What we know:

Put on by American Airlines, the show will begin at 2:40 p.m. outside Wrigley Field at 3635 N. Clark Street.

The first 100 AAdvantage members to check in at Caretakers Way, on the north side of Gallagher Way, will receive entry to a private viewing area along with merchandise and refreshments.

Summit, whose real name is John Schuster, has deep Chicago roots. His father has been an American Airlines captain based at O’Hare International Airport for 35 years.

Summit has become one of the most popular names in global electronic dance music, performing at major festivals and selling out venues like Madison Square Garden. Summit’s tracks often reflec

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