5:03 Hercule Poirot - Vera Rossakoff Theme (The Double Clue) 5:32 Poirot - Vera Rossakoff Theme - The Double Clue OST (piano solo) Christopher Gunning 5:11 6 - The Double Clue (From _Poirot_) 0:35 The Double Clue (first minutes) 0:37 Clue Clip - Double Negative