The rain has held off and the music keeps going.
The crowds surged across Michigan Avenue throughout the morning, people getting in place for an event with no equal in North America.
City officials are reminding the 100,000 concert goers expected each day that outside food and drinks, including alcohol, are not allowed -- except for two sealed, plastic bottles of water. They're also warning people that counterfeit tickets are out there.
Another suggestion- take CTA. There are several street closures in effect downtown.
"We always push for public transportation. Stay west of the Michigan Avenue, that's probably the best advice I can give, to avoid as much of the traffic as you can," said Gary Schenkel, Chicago Office of Emergency Management.