Marshmello, Svdden Death perform surprise concert at The Wiener's Circle in Lincoln Park

CHICAGO (WLS) -- On Saturday afternoon, in addition to food and insults, there was a concert at The Wiener's Circle on Chicago's North Side.

Marshmello and Svdden Death performed a surprise concert on the rooftop on Clark Street in Lincoln Park.

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The event drew massive crowds.

Marshmello is in town for a Saturday night concert at the Aragon Ballroom.