전승휘 (백킹 보컬 (office worker chorus)),김민정 (백킹 보컬 (children's chorus)),이대용 (백킹 보컬 (office worker chorus)),이은경 (백킹 보컬 (children's chorus)),Mithra 眞,박성욱 (백킹 보컬 (office worker chorus)),타블로,Yankie,유해람 (백킹 보컬 (children's chorus)),유한결 (백킹 보컬 (children's chorus)),윤혜진 (백킹 보컬 (children's chorus))