I know this is not exactly retro, but I have a soft spot in my heart for all things Cthulhu, especially when it has crossover with the holiday season. I think I spent way too many winter breaks from school in my youth reading Lovecraft.
The Carol of the Old Ones is performed by Tabernacle Choir, Rebecca Marcotte, Digby Dolmen, J.D. Titan, and Walter Forsythe. Picture montage put together by Mats Holm.