Low-level JSON for a20975b0-898c-49be-96e8-064953a91e05

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        "tuning_diatonic_strength": 0.466453820467,
        "tuning_equal_tempered_deviation": 0.0447352342308,
        "tuning_frequency": 440.763122559,
        "tuning_nontempered_energy_ratio": 0.772132217884
    }
}
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