It's sounds so good man :o
I love the arrangement, it really feels like traversing a forest with all the inhabiting animals and birds
it has this kind of majesty you get from looking at a beautiful natural landscape, it's beautiful !
I probably would have played with the volume and the reverb of the sax to make it go on the background and support the main melody, it's kind of "in your face" at some times, but maybe this is a choice, in which case feel free to explain : i'm all ears ^^