SMTOWN remix [NCT 127, Red Velvet, f(x), EXO] HD

This is a total mess idek what this is Tags: NCT, NCT 127, Red Velvet, f(x), EXO, SM, SMTOWN, SM Ent, Taeyong, Mark Lee, Jaehyun, Yuta, Haechan, Donghyun, Winwin, Doyoung, Johnny, Taeil, Amber, Luna, Krystal, Victoria, Amber Liu, Wendy, Seulgi, Irene, Yeri, Joy, Sehun, Chanyeol, Baekhyun, Chen, Xiumin, Minseok, Jongdae, Kai, Jongin, Lay, Yixing, D.O, Kyungsoo, Suho, Jumyeon, kpop