Where is Official Lollapalooza Aftershow featuring ADO?

Doors @ 9PM, Performance @ 10PM This is an AGES 17 AND OVER event. Valid Photo ID is required for age restricted shows. Forms of valid ID are current and non-expired Driver's License, State ID or Passport. Aragon Ballroom is a standing room only venue, all tickets are General Admission unless otherwise stated. There is NO re-entry. Individuals under 17 are allowed to attend if accompanied by their parent or legal guardian Doors @ 9PM, Performance @ 10PM This is an AGES 17 AND OVER event. Valid Photo ID is required for age restricted shows. Forms of valid ID are current and non-expired Driver's License, State ID or Passport. Aragon Ballroom is a standing room only venue, all tickets are General Admission unless otherwise stated. There is NO re-entry. Individuals under 17 are allowed to attend if accompanied by their parent or legal guardian