| # | Title | Length |
|---|
| A1 | Mixed Up World (Groove Collision vocal mix) | 6:38 |
| A2 | Mixed Up World- assistant recording engineer:
- Fergus Peterkin
- recording engineer:
- Rik Simpson
- programming:
- Matt Rowe
- producer:
- Gregg Alexander and Matt Rowe
- assistant mixer:
- Phil Tyreman
- mixer:
- Dave Way
- guitar:
- Paul Gendler
- trombone:
- Winston Rollins
- trumpet:
- Mike Lovatt and Enrico Tomasso
- additional vocals:
- Paul Brown
- lead vocals:
- Sophie Ellis‐Bextor
- phonographic copyright (℗) by:
- Polydor Ltd. (UK) (in 2003)
- recorded at:
- Mayfair Studios in London, England, United Kingdom and Sarm West Studios in Notting Hill, Kensington and Chelsea, London, England, United Kingdom
- mixed at:
- Sarm West Studios in Notting Hill, Kensington and Chelsea, London, England, United Kingdom
- music videos:
- Mixed Up World by Sophie Ellis‐Bextor
- recording of:
- Mixed Up World
- writer:
- Gregg Alexander, Sophie Ellis‐Bextor and Matt Rowe
- publisher:
- Rondor Music (London) Ltd., Universal Music Publishing Ltd. and Warner Chappell Music
| 3:49 |
| B1 | Mixed Up World (Groove Collision instrumental mix) | 6:38 |
| B2 | Mixed Up World (Groove Collision radio edit) | 3:43 |
