This is a NGADM Round 1 Review!
Hmm... A bit torn about this piece.
I'll start by saying why you didn't get a better score right off the bat - One aspect is the brass part that plays the highlights at the end of each bar. It's excessivly stereo-enchanced and sounds really, really odd in the context of the song, like the song is playing in front of me in a valley and the brass is playing out of a horn at the top of the two cliffs either side of the valley. You can fix this by blending it with other sounds and using less phase-related stereo-enhancement such as Mid/Side or Left/Right EQing. You also need to give some of the acoustic instruments more detail and a space to play in, meaning more reverb so they sit with the other instruments.
What you did get right is the drums are deep, the piece is varied (sonically) and yet it flows. Good job on those.
I feel like the piece lacked a focal point. There were some good ideas but the whole thing felt like it was unfinished, just a backing track for someone to come along and add vocals to (hip-hop style?) or play another instrument on top of. That lost you quite a few points. Also a flute can't be played that way (like the intro), you have to breathe from time to time! :P
Aside from that your piece has a consistent theme throughout, sets an atmosphere and keeps it going throughout, which is important. You had a few interesting ideas in there but it gets repetitive eventually.
That gives you 7.5/10 (or 8 here because I have to round it up).