1 | One Two Three- recording engineer:
- Phil Delire and Michel Dierickx
- producer and mixer:
- Alex Callier
- bass guitar [bass], percussion and background vocals [backing vocals]:
- Alex Callier
- drums (drum set):
- Steven Van Havere
- guitar [guitars]:
- Raymond Geerts
- violin:
- Eric Baeten , Annelies Broekhoven , Christophe Chatelle , Peter Despiegelaere , Véronique Gilis , Karel Ingelaere , Bart Lemmens , Antoine Maisonhaute , Nicolas Marciano , Dirk Uten and Lei Wang
- lead vocals:
- Noémie Wolfs
- conductor:
- Cédric Murrath
- strings arranger:
- Alex Callier
- concertmaster:
- Mark Steylaerts
- phonographic copyright (℗) by:
- Sony Music Entertainment Belgium NV/SA
- additionally recorded at:
- Pink Flamingo in Sint-Niklaas, Oost-Vlaanderen, Flanders, Belgium
- recorded at:
- ICP Recording Studios in Brussels, Belgium
- mixed at:
- Pink Flamingo in Sint-Niklaas, Oost-Vlaanderen, Flanders, Belgium
- recording of:
- One Two Three
- writer:
- Alex Callier and Raymond Geerts
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