Here is Mr. Bodewell's post on the subject:
"Cthulhu" by Veronique Chevalier is the Sepiachord Song of the Day.
Here are two videos of her performing the song at the 2010 Steampunk World's Fair:
This one has better sound quality & includes the intro:
In this one you can actually hear Mr Bodewell & Lady Adderly giggling: