This is quite a mixture of genres, mainly dark acoustic sounds with a touch of classical. What really makes it interesting is the French vocals. After all, Life's Decay is a Paris-based duo offering several tracks as free downloads on Last.fm.

I got Inksterna (2007) in the radio but also liked Emerance (2009):

[audio:http://sesam.hu/wp-content/uploads/2011/08/Lifes-Decay-Inksterna.mp3|titles=Inksterna]

[audio:http://sesam.hu/wp-content/uploads/2011/08/Lifes-Decay-Emerance.mp3|titles=Emerance]