Low-level JSON for 66fcb9b7-9cf2-4d03-b155-991d270a08b5

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        "tuning_diatonic_strength": 0.537533640862,
        "tuning_equal_tempered_deviation": 0.0650299265981,
        "tuning_frequency": 438.731048584,
        "tuning_nontempered_energy_ratio": 0.831878781319
    }
}
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