While I like the song, and still like it, I wonder if it would not have greater effect if not at least mixed with the other variants? Could introduce a 'hopeful' 'wistful' etc type unique weathers as well to have it play, to give a sort of audio and visual playback to it. Perhaps the beast tribe variant breaking into the mix, with it's own weathers too (once you've gone far enough in those quests).

This space is supposed to be dynamic and emotional after all.

I wouldn't be mad if it was brought back down, but I think I would prefer if it was cycled or stayed. I think if it cycled, especially if somehow it was done thoughtfully, would be even more interesting. Though I respect others have a different opinion, not just saying 'no' and running away lol. Just explaining my own thoughts