D4 vs. Klavins 370 L-mode audibility

I'm afraid that would be a little difficult if such an instrument had already been sampled, since there's the issue of sampling rights (they have already been sold for the 450i, whose completion date is indeterminate due to focusing on the Una Corda). I don't know if the maker allows a resampling of his 370 in the case of the sampling rights already being sold, so it remains to be seen if such an opportunity can appear again.

Even if he allows Modartt to sample the 370 for analysis and recreation, there's the issue of the instrument's "excellence", or fitness to be a strong candidate for selection, particularly in the bass bridge. I've capped the sustain envelopes of two problem notes - MIDI #21 and MIDI #26, and, to put it kindly, no brickwall compression can save the sustain without making the notes sound 'weird' or pump like no tomorrow. As much as I'd like for it to be re-recorded and turned into a virtual piano model (I've been dreaming of extra-long pianos in Pianoteq for a couple of years now), that issue still remains. Do you e.g. alter the sustain envelopes of problem notes to make it sound 'plausible', or do you keep it as authentic to the original as possible, warts and all?

I would like Philippe or Modartt et. al to comment on this as well.