Sound: No mixing issues at hand here.
Composition: A decently simple composition with a simple structure. That would also be its weakness as the song gets repetitive by the middle. There's also not a big variance in sound between the instruments, so the sections kind of blend together.
Fit to Art: The track fits the art very well, and I'd say it conveys exactly what's in the art. This would be the main strength of this piece is how well it pairs with the art.
Originality: Not much originality here, pretty straightforward take on the art and nothing new to the genre.