Haha, I like the cool riser you have at the beginning there. Interesting mood towards the beginning. The riser made it seem kind of dark, and then there's this explosion of happiness at :50. It does get a bit repetitive after a while, though. The structuring and transitions weren't bad. It has this sort of chill vibe about it, and you know how to progress a piece along pretty well. My main complaint, however, is the ending. I know it was intended to loop, but the sound cuts off about 2 seconds before it loops. I don't know what program you use to make your music, but if it's FL Studio (the one I use), I would highly suggest pressing "wrap remainder" when you export it to ensure that it loops properly. Otherwise, pretty solid piece man. ;)