I totally agree that it would be nice if for the rejection they could at least say “mixing/mastering” or “any other reason”
But here, there is no doubt, I just listened to the first 5 seconds, and this guitar is, well… it sounds so so “fake”…
I don’t know if it could be improved by EQ, reverb, or change in velocities. I tried using the same guitar myself, and gave up because could not get a natural result if played like this, as the “main” instrument.
You could perfectly use it as arpeggios in the background, but for “solo” instrument, you need a better quality.
The coincidence is that I am looking for a good nylon guitar, there are excellent products by known companies such as Orange tree samples, but the price is high, between $150 and $200 usually.
Now, Pettinhouse makes good guitar kontakt libraries, and the nice part is that he offers “lite”, free versions for some of them, http://www.pettinhouse.com/html/download.html
As I am on a low budget, and am looking for a nice nylon guitar, I found the Pettinhouse one, $49
but somehow I have the feeling this one, by Indiginus, is even better,
http://indiginus.com/Renaxxance.html at $59