( in Chronological order )
- Michael Ilbert at HANSA Studio, Mix Room, Germany
- Jimmy Hogarth at HOXA HQ Studios, UK
- Paul Barton at ITV Studios and ITV, UK
- Hubert Montoya at Ever Estudio Sound, France
- George Apsion at KORE Studios, UK
- David Hill and Jorg Mohaupt at Bradford Music, UK
- Johanz Westerman at Ballyhoo, Netherlands
- John Moon Martin, R.I.P, USA
- Paul Epworth at The Church Studios, UK
- Paul Godfrey at Morcheeba, UK
- Ricky Ren, UK
- Rob Grant at Poons Head Studios, Australia
- Antonin at Rock Media, CZECH Republic
- Terry O’Neill, UK
- Dave Lynch at Echo Zoo Studios, UK
- Devin Powers, USA
- Oscar Ball at Otter-Recordings, UK
- Tom Fleming, USA
- David at Chale Abbey Studio, UK
- Tom Rowlands at Chemical Brothers, UK
- Richard Lecoeur, France
- Fred Mostacci at la Musiquerie, France
- Kevin Ryan at Recording the Beatles, USA
- Tim Baker, USA
- Joss Worthington, UK
- Leonard Fong, Horus Studios, Singapore
- Bill at ICP Studios, Belgium
- Ben Wang at SeaSide Mastering Studio de la mer, Taiwan
- Carlo at SOLID MASTERING STUDIO, Italy
- Robert at BOYONA MASTERING, Puerto Rico
- Bernie Leadon, USA
- Sammy Kannis at Alchemy Music Group, Australia
- Chris Rondinella at Heritage Recording Co. USA
- Ol Beach at Electric Pyramid, UK
- Jose Luis Chicote at Round Sound, Spain
- Matt Ross-Spang, USA
- Magnus Lindberg at Redmount Studios, Sweden
- Keith Banning at Grange Recorders, USA
- James Guthrie and Roger Waters from Pink Floyd
- Paul Waaktaar-Savoy from a-ha at SAVOY, USA
- Mattias Eklund at TOONTRACK, Sweden
- Rob Gillette at Private Hell Recording, USA
- Marcus Mumford from Mumford & Sons, UK
- Steve Robson, UK
- Nick Barber, UK
- Chris Porter, UK
- Robert Whiteley at WhiteWood Recording Studio, UK
- Mike Spencer at the Lark’s Tongue Studio, UK
- Teksir, Ahmad Jafar, KUWAIT
- Jerry Barnes from Nile Rodgers and Chic, USA
- Mat Mainhard, USA
- Tristan Grace, at Devon Analogue, UK
- Jim Calabrese, at Soundscape, USA
- Sebastian dòˆring, Germany
- Chris Townend, Australia
- Robbie Moore, at Impression Recordings, Germany, Sweden
- David Boyle, USA