Well, first of all, it's a song for Chocobos, and its effects appear to be reserved solely for them.

[ Regretfully, spending a lot of time among the birds wasn't enough to actually turn into one; the bashful smile was now paired with a soft blush as he continued. ]

... It came to me the other day, and I belatedly realized that I'd heard it being played before, back... back in my world. Because of that, it took me much less time to complete than it otherwise would have, I suppose.

[ Granted, he'd also spent the vast majority of his recent trip motivating its feathered participants with this particular melody, having gone as far as come up with a couple of new versions in order to break the monotony. Closing his eyes, he settled for another improvised attempt after a moment of thought, unable to resist the girl's request regardless of the repertoire at hand.

I like hearing you sing. His answer was a muffled sound while his hands locked more tightly around her frame. With that, he now had all the motivation he could ever require to begin. As unconventional as it was, the tune never failed to lift his spirits in its own, strange way. ]