NCT 127 debuted in 2016 with the song "Fire Truck". The original members (see breakdown below for identification) consisted of Taeyong, Taeil, Johnny, Doyoung, Mark, Yuta, Heachan, Jaehyun, and Winwin. They have released 5 studio albums inculding Regular, Neo Zone, Sticker, 2 Baddies, and Fact Check. Often first thought of as "noise music", 127 employs unique background sounds while overlappin with toe-curling vocals and titilating raps.