This is an all-weather music experience event that utilizes Sapporo Dome's "new mode." The event's name is abbreviated as SMEX (S-mix). It has been confirmed that the event will be held again in 2026, and details such as tickets and performing artists will be announced on the official website. This event was first held in March 2024 and attracted attention as the first festival-style live music event since the Sapporo Dome opened. A variety of artists perform every year.

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