Low-level JSON for a397f74e-f288-4fd3-bcc1-c5efd9c6f9a9

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        "tuning_diatonic_strength": 0.513210117817,
        "tuning_equal_tempered_deviation": 0.0319202020764,
        "tuning_frequency": 440.254241943,
        "tuning_nontempered_energy_ratio": 0.724465787411
    }
}
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