Low-level JSON for 649b0930-b170-4d2a-a5f1-7e92cb9621ee

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        "tuning_diatonic_strength": 0.576630890369,
        "tuning_equal_tempered_deviation": 0.0338813662529,
        "tuning_frequency": 440,
        "tuning_nontempered_energy_ratio": 0.690691649914
    }
}
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