Seoul Jazz Festival NCT promo

Seoul Jazz Festival’s 2026 promotion tied two NCT members to one of South Korea’s biggest annual live-music events well before the festival opens in May. Official festival notices show Taeyong and Haechan were included in the event’s 2026 lineup materials, while entertainment media in March reported the pair had joined the third round of artist announcements. The festival organizer also confirmed the event’s dates and venue in a December notice on its website. Claims about how a specific X post performed could not be independently verified from accessible source material reviewed for this story. ### When did Seoul Jazz Festival 2026 add Taeyong and Haechan? Sports Donga reported on March 12, 2026 that NCT’s Taeyong and Haechan had joined the 18th Seoul Jazz Festival 2026 lineup as part of the event’s third announcement of artists. The report said the third lineup added 22 acts and also named Hyukoh and Sunset Rollercoaster among participants. Sports Kyunghyang reported on March 13, 2026 that the festival’s third lineup covered 22 acts across genres including jazz, R&B, soul, rock and J-pop. (seouljazz.co.kr) That report said the festival was set to run from May 22 to May 24. ### What did the festival itself publish? Seoul Jazz Festival published a notice on April 16, 2026 titled “final lineup announcement” on its official website. The accessible search snippet confirms the organizer said it was releasing the final lineup for “The 18th Seoul Jazz Festival 2026.” (sports.donga.com) A separate April 16 notice on the festival site said the timetable for the three-day event had also been released that day. (sports.khan.co.kr) Another organizer notice published on April 14 said the final lineup and timetable would be unveiled at 12 p.m. on April 16. ### When and where is the festival scheduled to take place? Seoul Jazz Festival said in a December 5, 2025 notice that the 18th edition would be held from Friday, May 22, to Sunday, May 24, 2026. (seouljazz.co.kr) The same notice listed Olympic Park in Seoul as the venue, including 88 Garden, KSPO Dome, ticketLINK Live Arena and Lakeside Avenue. JamBase and other festival listings reviewed for this story also show the event running May 22-24, 2026 in Seoul, though the organizer’s own notice is the primary source for the schedule. (seouljazz.co.kr) ### How early did the 2026 lineup rollout begin? Seoul Jazz Festival said on January 12 that its first lineup would be revealed on January 15. A January 15 organizer notice then said the first lineup included eight acts and coincided with an early-bird ticket opening. (seouljazz.co.kr) The April 16 notices show the campaign continued into mid-April with final-lineup and timetable materials. That sequence places the Taeyong and Haechan promotion within a months-long rollout rather than a single-day announcement. (jambase.com) ### Can the reported X engagement be confirmed? X search results available through public web indexing did not return a verifiable record of the specific post ID cited in the source note for this assignment. (seouljazz.co.kr) Because the platform’s metrics can change and the post itself was not independently accessible in reviewed sources, this story does not confirm the claim that the teaser drew more than 8,000 likes or ranked as the most-liked recent festival teaser on the platform. (seouljazz.co.kr) The verifiable part is narrower: official festival notices and contemporaneous entertainment coverage show that Seoul Jazz Festival 2026 promoted a lineup including NCT members Taeyong and Haechan ahead of the event. ### What comes next for the festival? May 22, 2026 is the scheduled opening day for the 18th Seoul Jazz Festival at Olympic Park in Seoul, according to the organizer’s December notice. (seouljazz.co.kr) The festival’s official site also lists the final lineup, timetable and venue map among its current notices as the event approaches. (seouljazz.co.kr)