Chance the Rapper's 'Magnificent Coloring Day' festival taking place at US Cellular Field

CHICAGO (WLS) -- Chicago native Chance the Rapper kicked off a one-day music festival Saturday at U.S. Cellular Field on the South Side.

Gates opened at noon for the "Magnificent Coloring Day."

It's the first festival at the park and the first concert there in more than 13 years.

About 40,000 music fans expected to be in attendance. The festival also includes performances by Lil Wayne, 2 Chainz, Alicia Keys and John Legend.