Nice one, but not perfect
1:22-1:24 & 2:57-2:59 - The instruments you used seemed unfitting
2:21-2:24 & 3:31-3:34 - Some notes were off the line
Most of all, I was awaiting some kind of highlight in the song - something catching the interest of the listener back when he has lost it already - You know what I mean?
The song was rather in the background than in front of the listener.
Of course, you said you don't want to try it another time and it's already a really smooth work, but something is still missing to it.
Keep making - I like your style!