Low-level JSON for 66bd0d4b-e263-4ea9-b43f-cfbecfcf0b6c

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        "tuning_equal_tempered_deviation": 0.0267129633576,
        "tuning_frequency": 440.254241943,
        "tuning_nontempered_energy_ratio": 0.698646664619
    }
}
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