Sounds more like classical to me
A nice piece, with the piano playing second fiddle to the percussion and brass, which is weird - the piano should and does tend to be one of the dominant pieces of an orchestra.
I'm interested in how you got inspired for this piece - the way that it sounds is that there is some sort of force sallying out slowly from a stronghold towards a battle. It doesn't sound like they got there, but it does seem that they marched out solemnly toward whatever fate they could carve for themselves.
To alter the piece, I'd make the piano the central part, which to me seems like a no-brainer, because pieces like this tend to get carried by such a powerful and expressive instrument.
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