This song is inspired by Ulmo, the King Of The Sea from J.R.R. Tolkien's "Silmarillion".
Ulmo was one of the chief architects of Arda (the world). Before the creation of Earth (Arda) when the Ainur sang to their father Ilúvatar, Ulmo was the best singer and maker of music. This translates into the fluidity and versatility of water on Earth, blending with air to form clouds, freezing into ice, running on rivers and mixing in with all aspects of life and landscape. The Elves owe their skill in music to the early teachings of Ulmo and recognize his melodies in the running of streams and rivers as well as the beating of the waves on the sea.