Low-level JSON for 657a6843-15a0-4351-8066-d8a83e176c5f

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        "tuning_diatonic_strength": 0.282631725073,
        "tuning_equal_tempered_deviation": 0.032497536391,
        "tuning_frequency": 440.508636475,
        "tuning_nontempered_energy_ratio": 0.724036991596
    }
}
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