There are at least three bands named Desdemona. 1. Power metal from Italy. They released 2 albums before 2009 split-up. "Lady of the Lore" (2001) and "Look For Yourself" (2004).
http://www.metal-archives.com/band.php?id=3704 2. Industrial / electronic metal from Poland.
DESDEMONA is one of the most popular Polish alternative acts.
“The new sound of DESDEMONA is based on the super-strong drums rhythm, the electronic elements, metal and industrial guitars as well as powerful vocals (…).Gothic inspirations have been replaced by the influences of such bands as MINISTRY or NIN”.

Read more about Desdemona on Last.fm.