Low-level JSON for a21e3901-cf76-4a17-a1af-c8e956dfa2fc

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        "tuning_diatonic_strength": 0.545081138611,
        "tuning_equal_tempered_deviation": 0.198398351669,
        "tuning_frequency": 434.193115234,
        "tuning_nontempered_energy_ratio": 0.892869830132
    }
}
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