| 4 | What I Did For Love- assistant recording engineer:
- Sam Robinson
- recording engineer:
- Franck van der Heijden (double bass [contrabass], cello, violin, viola), Michael Strecker (double bass [contrabass], cello, violin, viola) and Sam Wheat
- programming and producer:
- David Guetta and Giorgio Tuinfort
- engineer:
- Chris “Tek” O’Ryan
- mixer:
- Daddy’s Groove and David Guetta
- cello:
- Philipp Hagemann, Elisabeth Keseberg and Martina Styppa
- double bass [contrabass]:
- Fernando Yokota dos Santos
- instruments:
- David Guetta and Giorgio Tuinfort
- keyboard [keyboards]:
- Sean Douglas and Sam Martin
- piano:
- Giorgio Tuinfort
- tambourine [tambourines]:
- Jeroen de Rijk
- viola:
- Anne Eberlein , Raphael Grunau and Olga Hüubner
- violin [first violin]:
- Ralf Hüubner, Jooni Hwang, Olia Kraämer, Martin Rothe and Michael Strecker
- violin [second violin]:
- Stephan Knies, Julia Mangelsdorf, Hannedore Rau and Gabriele Worsischek
- background vocals:
- Breyan Stanley Isaac, Jacob Lutrell and Candace Shields
- orchestra:
- Neue Philharmonie Frankfurt
- conductor:
- Franck van der Heijden
- instruments arranger:
- Franck van der Heijden
- concertmaster:
- Ralf Hüubner
- recorded at:
- Metropolis Studios in London , England, United Kingdom and Stadthalle Offenbach in Offenbach am Main, Hessen, Germany (double bass [contrabass], cello, violin, viola)
- mixed at:
- Test Pressing Studio in Napoli, Napoli, Campania, Italy
- recording of:
- What I Did for Love
- writer:
- Breyan Stanley Isaac, Sean Douglas , Jason Evigan, David Guetta, Sam Martin and Giorgio Tuinfort
- publisher:
- Artist 101 Publishing Group, Bad Robot, BMG Platinum Songs, BMG Talpa Music B.V., Eastman Pond Publishing, Piano Songs, Sony ATV, Warner–Tamerlane Publishing Corp. and What a Publishing Ltd.
| David Guetta | 3.5 | 3:27 |
