“The essence of sound design is you can’t record the sound,” Mr. Lievsay said. “You have to take a lot of sounds and put them together. You can’t just go somewhere with a shotgun and a silencer. It wouldn’t be the sound that Joel and Ethan wanted anyway.”
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I enjoyed the minimal use of music in No Country. Also the attention paid to certain sounds over others in a given scene. I think the sound design contributed a lot to the success of the movie; the lack of a score in most scenes made the movie very unpredictable.