September 17-19, 2021, marked the return of the annual three-day music festival Riot Fest. Fans of hip-hop, emo, punk, alternative rock and everywhere in between converged upon Douglass Park in Chicago to sample the sights and sounds of the more than 85 bands on five stages.
| Smashing Pumpkins | |
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| Body Count | |
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| Fever 333 | |
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| Lupe Fiasco | |
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| Devo | |
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| Eyedress | |
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| Anthrax | |
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| Vic Mensa | |
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| The Mighty Mighty Bosstones | |
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| Taking Back Sunday | ||
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NOFX
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| Gogol Bordello | |
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| Rancid | |
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| Bayside | |
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