This is Lovecraft's "A Brumalian Wish" put to music, from H.P. Lovecraft Historical Society's "An Even Scarier Solstice."

From the damnable shadows of madness,
From the corpse-ridden hollow of Weir,
Comes a horrible message of gladness,
And a ghost-guided poem of cheer -
And a gloom-spouting pupil of Poe sends the pleasantest wish of the year!

May the ghouls of the neighboring regions,
And the curséd necrophagous things,
Lay aside their dark habits in legions,
For the bliss that Brumalia brings -
And may Druids innum'rable bless thee, as they dance on the moor's fairy-rings!

So, Galba, may pleasures attend thee
Thro' all thy bright glorious days;
May the world and the mighty commend thee,
And the cosmos resound with thy praise -
And may all future ages be brilliant with the light of thine intellect's rays!