Low-level JSON for f831bf4a-df9e-40c1-9b8c-aa1b40f4b13f

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        "tuning_equal_tempered_deviation": 0.0617372132838,
        "tuning_frequency": 440.763122559,
        "tuning_nontempered_energy_ratio": 0.722361147404
    }
}
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