From: The New York Times : Karen Elson Is Dressing the Part, and Singing It By MELENA RYZIK LIFE is unfair and everybody knows it, but should you require a refresher, you need only to watch Karen Elson, the redheaded supermodel, design muse and wife of Jack White of the White Stripes , sing. There she was Monday night at Le Poisson Rouge in the West Village, performing songs from her debut album in a voice that can go from retro-breathy chanteuse to rootsy belter in a few notes. It was the fourth stop in a whirlwind mini-tour that included Nashville, where she and Mr. White live with their two children, and Austin, Tex., where she played at the South by Southwest music festival. The shows were intended to introduce Ms. Elson as more than just a pretty face, or even a pretty voice, but as an artist in her own right. At each gig she took the stage in a peach-dyed vintage gown and a 1917 Gibson Style O guitar to give a preview of her album, “The Ghost Who Walks,” which was produced by h