Low-level JSON for 66b5db8d-f7c4-45ba-b805-c237f155b4ba

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        "tuning_diatonic_strength": 0.674985527992,
        "tuning_equal_tempered_deviation": 0.436641842127,
        "tuning_frequency": 438.477722168,
        "tuning_nontempered_energy_ratio": 0.972577691078
    }
}
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