Japanese up-and-coming act cosmosy is set to return to Los Angeles this fall as part of the 82WORLD: LA Festival on October 17, 2026.
Spanning two days and held at Los Angeles State Historic Park, the very first outdoor version of hello82 is set to take place on Oct. 17 and 18. Organizers described it as a celebration that brings together artists and fans with unique live performance stages and other special activities. Tickets are currently available.
This particular engagement follows cosmosy’s performance at KCON LA 2026, one of the biggest festivals in North America dedicated to K-pop and Korean culture. Cosmosy performed a selection of crowd-pleasers along with a cover of BLACKPINK’s “How You Like That.”
Cosmosy made its first radio performance live debut at the festival. This feat highlights the band’s growing popularity in the United States. KCON was filled with fans who visited the “open your eye=sy” booth and the group’s official website.
The group was founded in Seoul in April 2025. Since then, cosmosy has worked to expand its popularity worldwide. The four-member group, made up of a’méi, kamión, himesha, and de_hana, has amassed over 140 million YouTube views, while their Spotify listenership reached 400,000 per month.
Earlier this year, cosmosy released their newest EP titled “~ of the world ~,” where they fused late 1990s and early 2000s J-R&B, J-hip-hop, house, J-Urban, and futuristic musical influences to recount the tale of the failure to conquer love.
Check out the music video for the single “Stay Alive” below.

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