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CRITICAL MASS
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Book Critical Mass for your Next Event

Do you have questions, want to book a show, or have a private party? Reach out, and let's make music happen. 

Call John at 508.809.0159 or Avis at 617.306.7279

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CRITICAL MASS

To Book The Band Call Avis 617.306.7279 or John 508.809.0159

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Brothers Tavern on 04/17/2026

Critical Mass Rock Band invites you to Brothers Tavern to meet Bob Boutin, the new lead guitarist. Grab some great food and a beer, and rock out with Critical Mass Rock Band!

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