0 Meet Ingrid Michaelson: The Woman Behind That Old Navy Sweater Song

Unsigned singer's music has also been featured on 'Grey's Anatomy,' 'One Tree Hill.'If you've watched any television within the past two weeks, then you've probably caught the latest Old Navy ad for the store's new line of Fair Isle sweaters. The spot features an infectious track, intoned by a soothing voice that's a cross between Regina Spektor on painkillers and Lisa Loeb on ... well, nothing.