i think i get the idea behind the splashes,
they occur as the 'water nymph' is continually diving into the water,
the music arpeggio at before each splash, is the initiation of the dive,
and the 'splash' is the entry into the water...
actually, a video with this, would be best!
i like the composition, tho i think changing the voices at bridges and verses would be way more interesting than using the same main voice throughout