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            "text": "36 people (university students) were exposed to inaudible low frequency sound or no low frequency sound overlaid over both soothing and unsettling music in controlled lab"
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                    "text": "Regardless of type of music – subjects were unable to determine when infrasound (low frequency below 20 Hz)"
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                    "text": "During control – soothing or unsettling music without infrasound"
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