Live Music

Cosma-Con: Day Zero

Sat, Jul 25, 2026 · 2:00 PM MDT

Idaho Central Arena · Boise, ID

Canceled

Tickets provided by trusted ticketing partners. Prices and availability may change.

Source: Ticketmaster

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What is this?

COSMA-CON: Day Zero is a one-day convention and music festival hybrid with lots of FREE interactive fan experiences, focused on Creators, Originators, Storytellers, Makers, and Artists. The event will feature panels pairing industry professionals and the celebrities that bring their creations to life, curated vendors and exhibitors, live large and up and coming local and regional musical performances, gaming, cosplay, special events, and more! CLEAR BAGS ONLY, CHILDREN 2 AND UNDER DO NOT NEED A TICKET, NO OUTSIDE FOOD OR DRINK ALLOWED, TICKETS CANNOT BE PURCHASED OVER THE PHONE