Sound Planet Festival 2026 takes place September 5–6 around Paradise City in Incheon, with 73 acts including Xdinary Heroes. The plaza’s CMYK Stage offers emerging artists’ busking performances without a ticket. Five stages, including Culture Park, will host acts such as YB, DAY6’s Young K, XIA, Cherry Filter and Guckkasten. Shuttle services and accommodation information are available, with a 10% ticket discount for Incheon residents. Free admission applies specifically to the CMYK stage.