NCT 127 is a Seoul-based South Korean boy band that blends traditional K-pop siblings with contemporary hip-hop songwriting approaches. The group's name is combination of the the acronym for Neo Culture Technology and the number 127, the longitudinal coordinate of Seoul. Founded in 2016, the group released its debut album, Regular-Irregular, in 2018 and has since grown into one of the more prominent K-pop bands on the international music scene.