Symphonic orchestra in action

Hey guys, I would like your input on this piece. I cant really do anything else than play the piano and I hate myself for not being able to make any decent percussion. How can I improve this?

thanks in advance.

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Well you've established a theme but I think you overuse the main melody in that - it could do with some variety. I also think it ends to ubrubtly - I'm just waiting for it to either have a timp roll and break out into something epic or to calm down gradually - instead it sort of just stops between the two. Other than that its a good, memorable piece that does its job well - I dont think you need to worry about percussion in there too much with what you've done.

yes, well its not even an end, its just the place where the music happens to stop. Anyway I think you raise a valid point. I just created the maintheme and then variated around it. I will study more deeply how a great build works.

Thanks for the input