갑자기?
01. 갑자기
작사 : 칸토
작곡 : 칸토, holic, MELO_JXx
편곡 : holic, MELO_JXx
Produced by 칸토, holic
Composed by 칸토, holic, MELO_JXx
Lyrics by 칸토
Arranged by holic, MELO_JXx
Keyboard by holic, MELO_JXx
Bass by holic, MELO_JXx
Drum by holic, MELO_JXx
Chorus by 칸토, 박홍
Recorded by 9999 at BRANDNEW MUSIC Studio
Mixed by 마스터키 at 821 Sound
Mastered by 마스터키 at 821 Sound
Executive Produced by 라이머 a.k.a Mr. BIG Daddy for BRANDNEW MUSIC
Produced by 칸토
Promotion & Artist Management Director 남서우
Artist Management 이진규, 이호진, 김준배, 진연종, 양준혁, 김동규, 김정윤, 유승연
Project Director 최수리
Marketing Planning 최수리
Marketing & Fan Management 김소희, 오정아, 김유정, 차우진
A&R 백승용, 김나라, 이지훈
Media Content 박소람, 홍혜림
Media Planning 정의봉
Merchandise Business 주창우, 이요한, 황예원
Global Business WARNER MUSIC KOREA CO., LTD.
Artist Casting & Development 유이성, 백선혜
Administration Director 김형욱
Administration & Accounting 김세민, 박광숙, 김선주
Production Division 2 이재원, 이미희, 김후은, 황다현, 모유빈, 박연주, 장소연, 최다은, 정고은
Music Production Coordinator 마스터키, 원영헌, 동네형, 리시, 9999, XEPY, 태완, DJ Juice, nomad
Recorded by 9999 at BRANDNEW MUSIC Studio
Mixed by 마스터키 at 821 Sound
Mastered by 마스터키 at 821 Sound
Photographer Lee seun (Studio Vague)
M/V & Video Art Directed by MADSCENE
Choreographer 유승현
Style Director 이동연
Stylist Assistant 이수진, 강형진
Hair Director 건웅 (WOOSUN)
Make Up Director 노한결 (WOOSUN)
Hair & Make Up Assistant 새얀, 정윤아 (WOOSUN)
Presented by BRANDNEW MUSIC ....
.... 
