| 1 | It’s My Party- programming:
- Colino Fresh
- assistant engineer:
- Joel Peters and Justin Pancione
- engineer:
- Mark “Exit” Goodchild and John Hanes (task: engineered for mix)
- additional producer:
- Colino Fresh
- producer:
- Johnny BLK and Claude Kelly (task: and vocals)
- mixer:
- Serban Ghenea
- bass and drums (drum set) and guitar:
- Johnny BLK
- vocals:
- Jessie J
- produced for:
- Carousel Music Entertainment, LLC, Impact Records, LLC, Make Moves Management, Inc. and Studiobeast, LLC
- recorded at:
- KMA Studios in New York, New York, United States and Sarm Studios in Aldgate, Tower Hamlets, London, England, United Kingdom
- mixed at:
- MixStar Studios in Virginia Beach, Virginia, United States
- recording of:
- It’s My Party
- writer:
- Jessica Cornish, Claude Kelly, John Lardieri and Colin Norman
- publisher:
- 3M Holdings, Bat Radar Music, John Lardieri LLC, Norman Colin A, Sony/ATV Music Publishing (UK) Ltd., Studio Beast Music and Warner Tamerlane
- sub-publisher:
- 3M Holdings LLC, Kobalt Music Copyrights (UK) Ltd, Kobalt Music Copyrights SARL, Kobalt Music Publishing Ltd., Kobalt Music Services America Inc., Kobalt Music Services Ltd., Neue Welt Musikverlag GmbH, Notting Dale Songs, Inc., Notting Hill Music (UK) Ltd., Sony Music Publishing (Germany) GmbH, Sony/ATV Music Publishing LLC, Warner Bros., Inc. and Warner–Tamerlane Publishing Corp.
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