You are totally right about hormonies, i often do that beautifully horrible hormonies, sometimes on purpose , but apparently i should stop.
My brain was so in the mood of the cloudy meadows that the odd harmonies sounded off especially because the track continued with the same mellow mood after them. It's ok to do weird and horrible stuff if you have some kind of a direction that from this point forward I wan't to change the mood. Think of the gameplay also. If the player is wondering in the cloudy meadows peacefully and he/she hears that the music doesn't fit the stuff on the screen it's just weird.
Like sometimes in WItcher 1 I remember that I was just shopping at the city peacefully and suddenly there's a part in the music track where the music goes to a totally different ominous mood and nothing happens in the gameplay to emphasize that. The music should help creating the mood and guide the player to be aware what's happening but if nothing happens in the gameplay and the mood changes you can clearly notice that somethings off with the music.
Ok, my mind started to wander to gameplay stuff as you're not doing your tracks for any specific game right now if I understood right. But anyways :D
About string panning...
Yeah the panning seemed to change sometimes between different notes just a bit. I'm not even sure anymore. With headphones it's harder to hear. Maybe if it's trying to simulate an ensemble the lower notes are a bit right and the higher are more left. (Like in the "War" track 0:38 the highest note is clearly coming from left.) Maybe an ensemble is ok for some backing stuff but for melodies I'd definitely use individual instrument sections like cellos or violins only.
When you say that melody not going anywhere what you exactly meant? It must lead to epic part or something like that?
Something like that yes. Again I notice that when I listened more today the melodies started to make more sense. Maybe I shouldn't comment the actual music before listening a few days :D But sometimes I can hear from the melody that "from this point you're not sure where to go next" as the melody starts to sound kind of pointless and non-directional. Maybe you could try to do something at times like that, like change the instrument or add some harmonies over/under it or add some movement to it. Just some things to think about :)
About piano dryness, yeah i had this thought and thankfully somebody feedbacked on it, but i were thinking that Through Forest had wide piano but i mistaken i guess.
It was a wide piano but to my ear it still needs at least some space and reverb. But the problem is more that all the instruments aren't in the same space. Some are really dry and some are really lush and echoing. It's ok sometimes but more likely they glue together better if they all have some of the same reverb in them.