We tend to focus primarily on issues of and differences in timbre and overlook issues that manifest themselves in how the two technologies and the playback equipment reproduce micro dynamic nuance. There is where most of the music can be found. Not in the sound (timbre) of the performance, but the feeling in the performance.It is already difficult to discuss about only ONE concept ....😁
Your remark about the way each player use the timbre potential of an instrument differently is very right.... You are a musician no doubt... 😊You are unmasked....
You are right that the feeling of the music is ALL in the way of the specific micro gestures of the musician controlling the note and the timbre...But this signature is easy to hear even in bad recording conditions in some measure... I listen to very bad recording of the great russian pianist Sofronitsky and his playing. badly recorded is unmistakeable in Scriabin...
For sure when i was speaking about timbre, i was speaking of the instrument playing in some specific hands, no instument produce a timbre without a musician playing it in his OWN specific way.... In this sense the instrument timbre vary and change, not only because of the acoustical setting of a room, but also because of the musician body dynamics....
There exist a definition of the many factors in play in the mathematical modeling of the timbre, and the way timbre is perceived differently in different acoustical settings also....But no one can explain why Moravec produce his own colors hues on the same piano than another pianist which will give another interpretation of the basic timbre of the instrument...Body and instrument are one wedding here....
The analog format for me is equal not superior to vinyl, but here it is not a truth only my opinion but based on simple mathematical equivalence and my own experience....An opinion only anyway...
On the other hand with an ordinary system not rightfully acoustically embedded, i think analog is more robust and able to give a more truthful experience of timbre than digital in the same quality level system and conditions... But for superior system and very good embeddings i dont think so.... But here it is also my limited opinion...
My best to you....