소녀시대 – Mr.Mr.

Arranged By [Bass] – 구종필
Backing Vocals – 써니
Backing Vocals – 서현
Backing Vocals – 태연
Backing Vocals – 수영
Backing Vocals – Ylva Dimberg
Backing Vocals – 양근영
Backing Vocals – 제시카
Backing Vocals – 티파니
Composed By, Arranged By, Written-By [Original Writer] – Mike Daley (3)
Composed By, Arranged By, Written-By [Original Writer] – Rodnae Bell
Composed By, Arranged By, Written-By [Original Writer] – Brittany Burton
Composed By, Arranged By, Written-By [Original Writer] – Harvey Mason Jr.
Composed By, Arranged By, Written-By [Original Writer] – Andrew Hey
Composed By, Arranged By, Written-By [Original Writer] – Damon Thomas
Directed By [Vocal] – Kenzie
Edited By [Additional Vocal] – 이민규
Lyrics By – 조윤경
Lyrics By – 김희정 (2)
Mixed By – 구종필
Recorded By – 구종필

Backing Vocals – 최영경
Composed By, Arranged By, Written-By [Original Writer] – Brent Paschke
Composed By, Arranged By, Written-By [Original Writer] – Jenna Andrews
Composed By, Arranged By, Written-By [Original Writer] – Lindy Robbins
Directed By [Vocal] – 이주형
Edited By [Additional Vocal] – 이주형
Lyrics By – 황현
Mixed By – 구종필
Recorded By – 정의석
Technician [Protools Operating By] – 이주형

Backing Vocals – 써니
Backing Vocals – 서현
Backing Vocals – 태연
Backing Vocals – 제시카
Backing Vocals – 티파니
Directed By – Kenzie
Edited By [Additional Vocal] – 정은경
Guitar – 김정배
Keyboards – Kenzie
Lyrics By, Composed By, Arranged By – Kenzie
Mixed By – 정의석
Recorded By – 정의석

Backing Vocals – 최영경
Backing Vocals – 이주형
Backing Vocals – 제시카
Backing Vocals – 티파니
Bass – 최훈
Composed By, Arranged By – 이주형
Composed By, Arranged By – G-High (2)
Directed By – 이주형
Edited By [Additional Vocal] – 이주형
Guitar – 정수완
Keyboards – 유지상
Lyrics By – 모울
Lyrics By – 이주형
Lyrics By – G-High (2)
Lyrics By – 황현
Lyrics By – 신아녜스
Mixed By – 정의석
Recorded By – 정의석
Recorded By – 구종필
Technician [Protools Operating By] – 이주형

Arranged By – 황군단
Arranged By [Strings], Conductor [Strings] – 니켈
Arranged By [Strings], Conductor [Strings] – 이나일
Backing Vocals – 서미래
Bass – 황성제
Composed By, Written-By [Original Writer] – Jesper Borgen
Composed By, Written-By [Original Writer] – Ingrid Skretting
Directed By – 황성제
Edited By [Additional Vocal] – 서미래
Guitar – 이성렬
Lyrics By – 조윤경
Mixed By – 남궁진
Recorded By – 오성근
Recorded By – 이성호
Recorded By [Assistant] – 손주용
Strings – 융
Technician [Protools Operating By] – 니켈
Technician [Protools Operating By] – 황성제
Technician [Protools Operating By] – 정수민

Arranged By – Red Rocket (5)
Backing Vocals – 양근영
Bass – 최훈
Composed By, Written-By [Original Writer] – Lukas "Nate" Nathanson
Composed By, Written-By [Original Writer] – Nermin Harambasic
Composed By, Written-By [Original Writer] – Anne Judith Wik
Composed By, Written-By [Original Writer] – Ronny Svendsen
Composed By, Written-By [Original Writer] – Red Rocket (5)
Directed By – Red Rocket (5)
Edited By [Additional Vocal] – Red Rocket (5)
Guitar – 류현우
Keyboards – Red Rocket (5)
Lyrics By – 조윤경
Mixed By – 남궁진
Recorded By – 강해구