This event is 21 and over. Any ticket holder unable to present valid identification indicating that they are at least 21 years of age will not be admitted to this event, and will not be eligible for a refund.
The Day That All Hell Breaks Loose 2025Get ready for one of St. Louis most explosive music events of the year! On Saturday, September 27, 2025, Atomic by Jamo will host a high-energy showcase of the regions top hip-hop and R&B talent.Headlined by Rockwell Knuckles all hosted by T-Dubb-O.Originally founded by Tef Poe and carried forward by T-Dubb-O, this annual event has become a staple of the St. Louis music scene, spotlighting the best of the best for a night of pure, unhinged madness. Atomic by Jamo, 4140 Manchester Ave, St. Louis, MO Saturday, September 27, 2025 | 8PM 1:30AM Advanced Tickets: $15

- (314) 932-1280
- General contact for event inquiries

- Located at venue's main entrance
- Bring valid photo ID
- Arrive at least 30 minutes before event start time

- Street parking available
- Limited on-site parking
- Nearby public parking lots within walking distance
- Rideshare recommended during peak hours

- ADA compliant venue
- Limited wheelchair accessible spaces
- Contact venue in advance for specific accommodations

- 21+ venue
- Valid government-issued ID required
- No outside food or beverages
- No weapons permitted
- Respectful behavior expected

- No minors allowed
- Must be 21 years or older
- No exceptions for live music/bar events

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