Bad thing 누가 누가 나쁜 것일까? 고급스런 하우스 비트와 그루비한 사운드의 전개 속에 옐로와 맥대디가 주고 받는 파티의 “Bad Thing” 에 관한 이야기. Lyrics by 맥대디 (Mckdaddy), GDLO (MonoTree) Composed by G-high (MonoTree), Mougleta Arranged by G-high (MonoTree) Background Vocals by YELO, 맥대디 (Mckdaddy) Keyboard performed by G-high Bass performed by G-high Vocal directed by G-high @ Monotree Studio, Mckdaddy @ GRDL Studio Digital editing by 강선영 @ MonoTree Studio Recorded by 강선영 @ MonoTree Studio, Mckdaddy @ GRDL Studio Mixed by 구종필 @ Klang Studio Mastered by 권남우 @ 821 Sound Executive Produced by 허용석@GRDL, MonoTree Inc. Artist Management 한재철, 진정균, 박규이, 배주영, 안종환 A&R 황현, 정맑음, 정지원