Chris Isaak

Will she be able to deliver that same passion with her version of Chris Isaak's Wicked Game, a song that works almost exclusively on its subtlety? Well, she's no Isaak, but she'll get credit for the gender flip.

She starts as low as any singer has done tonight, and her alto range is deep and rich..

Source: http://content.usatoday.com/communities/idolchatter/post/2010/02/siobhan-magnus-she-knows-how-to-play-this-wicked-game/1