Enjoyable
I like this. :-D
The ringy lead (xylephone-esque?) gives it a very airy feeling. The deep bass you already have in the background is just enough bass for the song. Add anymore, and I don't think it'll have as light a feel to it as it does at the moment (although, that always depends on how you add it - I'm no savant).
0:19-0:20 ~ The way the deep bass entered felt minutely abrupt (but ignorable if being casually listened to)... the re-entrance at 1:02, though, was not as abrupt due to its earlier usage (said so that in case you decide to change the 0:19-0:20 section, you may leave 1:02 alone :-D ).
Also, again about that really low bass; it seems to get somewhat annoying when done on every beat by end of the first two minutes... I don't know what to say about it beyond that it feels unpolished. I apologize for my inability to suggest anything constructive...
1:30-1:34 ~ Yay high energy transition!
To be quite honest, had it not been for the title, I might have imagined anything from a shallow water dive to a solar system trek... even so, now that I have seen the word 'cloud', I can't get the image of a bottomless sky out of my head. Great job!
10/10, 5/5, and contrary to what d4nce4life said, it's worth a DL :-D