Vladimir Lamm called "natural" a type of amplified sound that followed a particular type of hearing mechanism of the human ear that he had studied and developed. In many of his interviews I have read he never addressed using live music as a reference.
Using real musics as a reference for gear evaluation was a concept presented by Harry Pearson of TheAbsoluteSound almost 20 years before Lamm was founded. It had very some positive aspects - freeing audiophiles from the ultra-objective-just-measurements dictatorship of the 60's and early 70's audio magazines and launching the basis for subjective evaluation, but also a negative effect - launching audiophiles in a never ending search of changes, blindly following their master. Fortunately most of his readers could go beyond the gear reviews and understand his concepts, including the ability to express sound matters in words in a consistent way.
Fortunately you stabilized and are an happy audiophile under DDK strong guidance - thank him, not the real concerts you attempted.
I think you misunderstand what I wrote:
“Yes. That is right. Magic was never claimed. Actually it was Vladimir Lamm who told David about natural sound when David asked him what the ML2 amplifier was doing. Then this became David’s approach for a particular type of presentation, one that referenced the live music listening experience.”
Vladimir Lamm introduced David Karmeli to the expression “natural sound”. David then formed an approach to a particular type of sound which he referred to as natural sound and David, not Vladimir, referenced the live music listening experience for the whole system design and set up resulting in the presentation at the listening seat and throughout the room. Vladimir Lamm did not reference live music as far as I know, but I never had the fortune of meeting him to discuss it.
I have thanked David and I was fortunate to meet him. I am blessed to know him and call him my friend. I don’t think you understand the process I went through with David. I described it in my sublime sound system thread with my old system. That was mostly set up advances.
I had heard quite a few horn speakers and a tube amplifiers, including Ralph’s atmosphere products, before I met David in Utah. I remained unimpressed. The exposure was not sufficient, and I had to hear more examples. I also knew what live music sounds like. That is exactly why I knew that David’s approach was right for me after I heard it.
It was not until I heard David’s various systems that I knew how to get to my target. The presentation of his various systems was simply much more convincing than the systems I heard before. David exposed me to a better experience, one that was much closer to the live music listening experience. Of course, I knew what that was because of my concert attendance. I just had not heard it from audio systems before. Yes David has guided me, but I knew the target before meeting him. I just did not know how to get there before.