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A Halloween costume party at Rosetta with music and drink specials.
AI summary · From the event listing
October 30, 2026 · 10 PM – 1 AM
Rosetta Hall, 1109 Walnut Street, Boulder · Free ·
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A Halloween costume party with music and drink specials runs all night at Rosetta.
AI · From the event listing
Organizer’s description
Costume party? Yes please. Kick off your Halloween weekend at Rosetta. Free entry, stellar music, and drink specials all night long.
Central Boulder
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