Green droplets condense and fall, carrying small concentrations of volatile orange and purple species. When enough purple builds up in a puddle it escapes, and begins crawling up the trail left by the droplets.
@TayeOlusola There's an interview from JJP or CLA in which they states something like "at the end of the day nobody's gonna notice all the fine work you did with the reverb on that guitar" if someone finds it please share