i love this, it definitely reminds me of all of the classic composition of classical music that you'd hear back in the day!
you've definitely done an excellent job putting each instrument together, though i'd definitely prefer some percussion down the line and more brass, because for the most part it seems you've more strings and woodwinds than neccessary. -But, with this being said, maybe it's just me. The quality of what you've currently, is excellent!
nicely done :)