John produced several albums himself but he also relied on producers' talents to make decisions for him. In alphabetical order:
Jeff Griffin (BBC)
Bram van Splunteren
Bridget St. John
John Walters (BBC)
Tony Wilson (BBC)
The Scotsman (25 April 2001) carried some nice quotes from Brian Young, owner of CaVa sound studios in Glasgow, who worked with John on Sapphire, Piece by Piece, the Apprentice, Cooltide and The Church With One Bell:
"In 1990, CaVa was voted the second-best recording studio in the world, pushing Madonna’s studio into third place. 'When I realised I could make a living, I began with a Revox two-track tape. I moved to a 24-track, which cost me £ 50,000 in 1979. Now, a young guy can spend £ 3,000 on equipment that fits in his room. Naturally, it is not as good as our stuff, but it’s adequate. He can get a CD manufacturer to make 1,000 discs for £ 800.'
"It means there is a lot more produced and while much is rubbish, the technology has changed things forever. It has made little difference to personalities. Without giving too much away, it is still a matter of some very big egos getting together. However, John Martyn is a joy. He’ll work for a week on a track and then re-do it because he’s heard something he likes better. He’s so professional, a modern trait.'"