No secret that we've got love for Brighton-based chanteuse Natasha Khan (aka Bat For Lashes) and Jersey boy Bruce Springsteen (aka The Boss), so her cover of "I'm On Fire" is doubly special. (We won't bother doing the math.) Khan's remake -- pretty standard for Lashes live sets -- lowers the original's boiling point via chilly, sheet-soaking pins of violin, ...