Hello this piece is one that I wrote which was basically a framework to develop the idea of moving away from tonality. By having this piece clearly in a minor, then the next one become more tonally ambiguous but at the end, finish it off in a minor.
Here's the midi to the score
https://www.noteflight.com/scores/view/6d7c913ce1d371fae8da86c644342048c5f206ae