Low-level JSON for a81b7ea8-fa82-4466-9f82-3d72e3bf7b4f

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        "tuning_diatonic_strength": 0.463910996914,
        "tuning_equal_tempered_deviation": 0.189812079072,
        "tuning_frequency": 441.527557373,
        "tuning_nontempered_energy_ratio": 0.839631676674
    }
}
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