Hey there!
Sorry about the delayed response.
Re: what you wrote on the other thread, I took a look/listen at your piano composition and noticed three things that I think could help. Keep in mind that I'm no expert, so take my advice with the appropriate grains of salt 😊
1) I noticed that the velocity looked fairly even (in the 90-127 range) for all the notes throughout the track. I would shape those to match the phrasing and articulation that a player would use. (The borderline obscene amount of velocity layers in these Synchron Pianos makes this extremely powerful!)
2) The chords sounded quite even, as in the notes all sound like they're struck at the same time. Unless the player is a robot, it's nearly impossible to play chords like this due to human error and the uneven shape of the hand. So, to get a realistic sound, try varying/randomizing the start times of the notes as well as the velocities (your DAW should have "humanize" feature in the MIDI editor that can help with this)
3) If tempo mapping isn't giving you the timing you want, you can always try the trick Stephen Limbaugh taught me, which is as follows: press record and tap out the rhythm/feel you want on any key. Then, after the fact, go in and change the notes to the actual notes of the music. Now you'll have those notes of the music that conform to your tapped out rhythm, no tempo mapping needed! I find this is helpful for rubato passages that are too difficult for me to play.
Hope that helps!
- Sam