Grand Mint Festival 2026 Reveals Second Lineup Wave, Returns to Seoul's Olympic Park in October

Grand Mint Festival (GMF), one of South Korea's marquee autumn music festivals, has revealed its second wave of performers via official Instagram. The 2026 edition runs October 17 (Saturday) to October 18 (Sunday) at Olympic Park in Seoul. The newly announced batch covers all 15 acts confirmed for the October 17 day, spanning folk singer-songwriters, indie rock, electronic acts, and idol-adjacent projects — several of which are first-time reveals for this year's festival.
October 17 (Saturday) lineup
- Lacuna
- Redoor (리도어)
- Bye Bye Badman (바이 바이 배드맨)
- Aleph (알레프)
- Yeonjung (연정)
- Owalloil (오월오일)
- Lee Seung-yoon (이승윤)
- Chang Kiha (장기하)
- Jukjae (적재)
- Jisokury Club (지소쿠리클럽)
- Car, the garden (카더가든)
- Touched (터치드)
- Peppertones (페퍼톤스)
- Hi-Fi Un!corn
- Hong Isaac (홍이삭)
Of these, Lacuna, Bye Bye Badman, Aleph, Yeonjung, Jisokury Club, and Hi-Fi Un!corn are flagged in the announcement as newly confirmed for this year.
What we know so far
- Dates: October 17 (Saturday) to October 18 (Sunday), 2026
- Venue: Olympic Park, Seoul
- Ticket prices and on-sale schedule: not yet announced
- October 18 (Sunday) lineup: not yet announced
About Grand Mint Festival
GMF is organized by Korean label Mint Paper and has run for years as a fixture of Seoul's autumn outdoor festival calendar, built around indie music, singer-songwriters, and full-band acts. Among this second wave, Lee Seung-yoon, Chang Kiha, Car, the garden, and Peppertones are all established regulars on Korea's indie and pop circuit.
What hasn't been announced yet
Organizers have not yet released ticket prices, on-sale dates, or a ticketing platform, nor have they confirmed the October 18 lineup.