Low-level JSON for 91652a55-b338-4620-bc04-f0a94347beb5

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        "tuning_diatonic_strength": 0.559818565845,
        "tuning_equal_tempered_deviation": 0.0304278284311,
        "tuning_frequency": 440.508636475,
        "tuning_nontempered_energy_ratio": 0.74995225668
    }
}
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