Silmarillion Blues : Quenta Silmarillion : III. Of the Coming of the Elves and the Captivity of Melkor
Wherein the Valar largely avoid doing their job, let things get bad, then scramble to make up for it. "Through long ages the Valar dwelt in bliss in the light of the Trees beyond the Mountains of Aman, but all Middle-earth lay in a twilight under the stars." Dwelling in their own private Haven is really not what they were sent to the world to do. Yavanna moped about, but at least did what she could to protect the life that couldn't grow under the twilight. Besides that...well, Melkor certainly took advantage of the situation, digging in and fortifying his position. Most notably we learn about his fortress, Angband, commanded by his lieutenant, Sauron. Finally the Valar realize maybe they should see about that assignment to prepare the earth for Iluvatar's children? From this we see the greatest of all works of the Valar since they first came to Arda, that is the making of the new stars. Not fully bringing light to the world, but bringing some... and this