§ Of Eldamar and the Princes of the Eldalië The Silmarillion

But the Teleri remained still in Middle-earth, for they dwelt in East Beleriand far from the sea, and they heard not the summons of Ulmo until too late; and many searched still for Elwë their lord, and without him they were unwilling to depart. But when they learned that Ingwë and Finwë and their peoples were gone, then many of the Teleri pressed on to the shores of Beleriand, and dwelt thereafter near the Mouths of Sirion, in longing for their friends that had departed; and they took Olwë, Elwë’s brother, to be their king. Long they remained by the coasts of the western sea, and Ossë and Uinen came to them and befriended them; and Ossë instructed them, sitting upon a rock near to the margin of the land, and of him they learned all manner of sea-lore and sea-music. Thus it came to be that the Teleri, who were from the beginning lovers of water, and the fairest singers of all the Elves, were after enamoured of the seas, and their songs were filled with the sound of waves upon the shore.