{
    "facets": [ 
        {
            "field": "downbeat1",
            "terms": { 
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                "1962-04-12, 29(8), p. 36": 1,
                "1962-10-11, 29(26), p. 43": 1,
                "1958-10-16, 25(21), p. 43": 1,
                "1965-05-20, 32(11), p. 31": 1,
                "1965-03-25, 32(7), p. 28": 1,
                "1960-02-18, 27(4), p.39": 1,
                "1966-09-22, 33(19), p. 43": 1,
                "1959-03-19, 26(6), p. 43": 1,
                "1987-05, 54(5), p. 39": 1,
                "1961-04-13, 28(8), p. 43": 1,
                "1984-07, 51(7), p. 56": 1,
                "1952-01-25, 19(2), p. 12": 1,
                "1958-10-02, 25(20), p. 37": 1,
                "1987-07, 54(7), p. 51": 1,
                "1961-01-05, 28(1), p. 43": 1,
                "1984-03, 51(3), p. 45": 1,
                "1958-11-27, 25(24), p. 37": 1,
                "1961-09-14, 28(19), p. 37": 1,
                "1978-10-19, 45(17), p. 32": 1,
                "1951-11-02, 18(22), p. 12": 1,
                "1960-02-04, 27(3), p. 31": 1
            }
        },
        {
            "field": "downbeat2",
            "terms": { 
                "1959-04-02, 26(7), p. 31": 1,
                "1962-04-26, 29(9), p. 43": 1
            }
        }
        
    ]
}