The design concept was to create sequential tension and release, while maintaining the illusion that the characters are trapped in their apartment building. With a scenic and lighting design firmly grounded in realism, the sound design required an extremely delicate and subtle touch.
Microphones were hidden in set pieces and Waves© studio reverb plug-ins were utilized to alter the acoustics of the room in real time. Meyer Sound's LCS was used to mix and distribute the outputs, which were then routed to a complement of over 20 Meyer speakers throughout the theater. A Meyer MM-4M was hidden on a moving set piece to bring life to a nonfunctional gramophone prop.