Thank you for reviewing this from long ago. It's good to get things back.
It's true that J. Field's nocturnes are a reference. I knew them after Chopin's, given their popularity.
One of the things I always consider, when I do tonal music, is to look for harmonies, if not original, then less heard, as long as they fit in the style and flow of the work.
It is true, I have a "problem" and that is that, I don't know why, there is a half-tone mismatch between what I write in the software and what it sounds like. It's weird, but as I don't see it as important either....
Greetings.