In the horror film 'The Witch,' the quote 'Wouldst thou like to live deliciously?' is accompanied by sounds that are almost physically painful. To achieve this, composer Mark Korven used 'The Apprehension Engine.' This is a custom-built acoustic instrument consisting of metal rulers, long wires, a spring reverb, and a rotating crank. It was designed specifically to produce sounds that are impossible to create with a traditional orchestra—dissonant screeches, deep moans, and rattling metallic whispers. Unlike digital samples, the Apprehension Engine produces organic, unpredictable vibrations that trigger a primal fear response in the audience. It has become a legend in the horror industry, showing that sometimes the most effective way to support a terrifying movie quote is to build a brand-new instrument dedicated to the sound of fear.