I think you're clipping on some parts of the track, makes it kinda hurtful to listen to on high volume.
you might want to place a limiter on your master channel to avoid it or just adjust the piano's volume :)
I'd also let the ending fade out longer to make it sound more natural & not cut out at the end.
Something I did weas use the sound of the foot being removed from the pedal to avoid the tail being too long, but you can also automate your volume for a more natural artifical fade out.
Nice composition! Keep creating & getting better!