Karmin – Hello

Co-producer, Producer [Vocal Production By] – Claude Kelly
Guitar [Additional Guitars By] – Julio Miranda
Guitar [Additional Guitars By] – Johnny Blk
Instruments – Jon Jon
Mixed By – Jaycen Joshua
Mixed By [Assisted By] – Jesus Garnica
Producer – Jon Jon
Recorded By – Benjamin Chang
Vocals – Amy Heidemann
Vocals – Nick Noonan
Written-By – Claude Kelly
Written-By – John Webb, Jr.
Written-By – Amy Heidemann
Written-By – Nick Noonan

Engineer [Mix] – John Hanes
Engineer [Vocal Engineering Assistant Engineered By] – Clint Gibbs
Instruments, Programmed By – Richard Head (4)
Instruments, Programmed By – DJ Cirkut
Mastered By – Tom Coyne
Mixed By – Serban Ghenea
Mixed By [Assisted By] – Phil Seaford
Producer – Emily Wright
Producer – DJ Cirkut
Producer [Vocal Production By], Engineer [Vocal Engineering By] – Emily Wright
Vocals – Amy Heidemann
Vocals – Nick Noonan
Written-By – Emily Wright
Written-By – Claude Kelly
Written-By – Richard Head (4)
Written-By – Amy Heidemann
Written-By – John Hill (14)
Written-By – Nick Noonan
Written-By – Henry Walter

Acoustic Guitar – Amy Heidemann
Engineer [Additional Engineering By] – Chris "Tek" O'Ryan
Guitar [Additional Guitars By] – Johnny Blk
Horns – Nick Noonan
Instruments [All Other Instruments By] – Jon Jon
Mixed By – Jaycen Joshua
Mixed By [Assisted By] – Trehy Harris
Mixed By [Mix Assistant] – Jesus Garnica
Producer – Jon Jon
Producer [Vocal Production By] – Jon Jon
Producer [Vocal Production By] – Benjamin Chang
Recorded By, Engineer – Benjamin Chang
Vocals – Amy Heidemann
Vocals – Nick Noonan
Written-By – John Webb, Jr.
Written-By – Amy Heidemann
Written-By – Nick Noonan

Co-producer – Sean Pen (2)
Co-producer – Vintage (29)
Co-producer – Don Vito (2)
Engineer [Engineers Assisted By] – Luis Navarro (2)
Engineer [Engineers Assisted By] – Miguel Lara (2)
Engineer [Engineers Assisted By] – Stephen Villa
Keyboards [Additional Keyboards By] – Monte Neuble
Mixed By – Jaycen Joshua
Mixed By [Assisted By] – Jesus Garnica
Producer – Tricky Stewart
Producer [Vocal Production By] – Kuk Harrell
Recorded By – Josh Gudwin
Recorded By – Andrew Wuepper
Recorded By – Chris "Tek" O'Ryan
Recorded By – Brian "B-Luv" Thomas
Vocals – Amy Heidemann
Vocals – Nick Noonan
Written-By – Rodney Richard
Written-By – Tricky Stewart
Written-By – Amy Heidemann
Written-By – Nick Noonan
Written-By – Ralph Jeanty
Written-By – Sean McMillion

Guitar [Additional Guitars By] – Julio Miranda
Instruments [All Other Instruments By] – Jon Jon
Mixed By – Jaycen Joshua
Piano – Nick Noonan
Producer – Jon Jon
Producer [Vocal Production By] – Jon Jon
Producer [Vocal Production By] – Benjamin Chang
Recorded By – Benjamin Chang
Vocals – Amy Heidemann
Vocals – Nick Noonan
Written-By – John Webb, Jr.
Written-By – Amy Heidemann
Written-By – Nick Noonan

Engineer – Andrew Wuepper
Engineer – Chris "Tek" O'Ryan
Engineer – Stephen Villa
Mixed By – Jaycen Joshua
Piano – Nick Noonan
Producer – Soundz
Producer – Kenneth Charles Coby
Producer [Additional Production By] – Aaron Pearce
Producer [Additional Production By] – Nick Noonan
Vocals, Written-By – Amy Heidemann
Vocals, Written-By – Nick Noonan

Engineer [Additional And Assistant Engineering By] – Daniela Rivera
Executive-Producer – Dancin' Danny D
Executive-Producer – Tim Blacksmith (3)
Mixed By – Phil Tan
Producer – StarGate (2)
Recorded By – Mike Anderson (11)
Recorded By – Miles Walker
Recorded By – Mikkel S. Eriksen
Written-By – Autumn Rowe
Written-By – Claude Kelly
Written-By – Amy Heidemann
Written-By – Nick Noonan
Written-By – Tor Erik Hermansen
Written-By – Mikkel S. Eriksen