CHICAGO (WLS) -- The city's largest free music festival is back this weekend.
Thousands of teens from across the Chicagoland area are expected to take part in the Teens in the Park Festival.
It kicks off Saturday at Northerly Island and features live entertainment and a graffiti wall.
Some of the headliners are Chicago natives like Sir the Baptist, Jamila Woods and "The Voice" contestant Mark Hood.
The festival ends Saturday at 6 p.m.
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Thousands expected at Teens in the Park Festival at Northerly Island