Good as usual
Well, this is a grand, sweeping theme for a large, fantasy-inspired city. There are some undertones of battle, but they don't dominate the piece. The harp especially helps diffuse some of the tension. I bet this could also be used for a city that was about to go off to war, though.
One of my complaints is the the harp, while it serves a purpose, felt a tad artificial, like it didn't 100% belong in the song. That might be due in part to the fact that I originally heard another version of the song, where bells replaced at least some of the strings. The song felt like it supported those better, but this version still fit my game more.
And you are correct on liking it more with time - it has also happened with art for the game :P It's the difference between what I had in mind at the time and what it actually was, and eventually I came to terms with it and realized that it wasn't a bad thing. It does happen a lot with me.