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        "pk": 1,
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             "tree_id": 5,
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             "slug": "black-metal"
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         "model": "categories.category",
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         "model": "categories.category",
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        "pk": 56,
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         "model": "categories.category",
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         "model": "categories.category",
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             "name": "C86",
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             "level": 3,
             "order": 1,
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             "tree_id": 13,
             "slug": "c86"
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        "pk": 34,
         "model": "categories.category",
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        "pk": 152,
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        "pk": 216,
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            "rght": 25,
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             "order": 1,
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             "tree_id": 7,
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             "name": "Jazz rap",
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             "tree_id": 2,
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             "tree_id": 10,
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             "tree_id": 5,
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        "pk": 123,
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             "tree_id": 10,
             "slug": "levenslied"
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             "tree_id": 1,
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        "pk": 175,
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             "level": 1,
             "order": 1,
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             "tree_id": 10,
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        "pk": 66,
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             "tree_id": 4,
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             "tree_id": 11,
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        "pk": 48,
         "model": "categories.category",
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             "name": "M-Base",
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             "level": 1,
             "order": 1,
             "lft": 14,
             "tree_id": 7,
             "slug": "m-base"
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        "pk": 240,
         "model": "categories.category",
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             "order": 1,
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        "pk": 45,
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             "order": 1,
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             "tree_id": 10,
             "slug": "mandarin-pop"
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             "tree_id": 8,
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             "order": 1,
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             "tree_id": 13,
             "slug": "metalcore"
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             "level": 1,
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             "slug": "mexican-pop"
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            "rght": 13,
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             "tree_id": 6,
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             "tree_id": 1,
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             "tree_id": 7,
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            "rght": 15,
             "name": "M\u00fasica Popular Brasileira",
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             "tree_id": 8,
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        "pk": 49,
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        "pk": 262,
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             "tree_id": 13,
             "slug": "nu-metal"
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             "tree_id": 3,
             "slug": "outlaw-country"
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        "pk": 221,
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        "pk": 272,
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             "slug": "paisley-underground"
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        "pk": 127,
         "model": "categories.category",
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            "rght": 9,
             "name": "Political hip hop",
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             "level": 1,
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             "tree_id": 6,
             "slug": "political-hip-hop"
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        "pk": 142,
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    },
     
    {
        "pk": 109,
         "model": "categories.category",
         "fields": 
        {
            "rght": 12,
             "name": "Trip hop",
             "parent": 72,
             "level": 2,
             "order": 1,
             "lft": 11,
             "tree_id": 5,
             "slug": "trip-hop"
        }
    },
     
    {
        "pk": 140,
         "model": "categories.category",
         "fields": 
        {
            "rght": 5,
             "name": "Tropicalismo",
             "parent": 131,
             "level": 1,
             "order": 1,
             "lft": 4,
             "tree_id": 8,
             "slug": "tropicalismo"
        }
    },
     
    {
        "pk": 198,
         "model": "categories.category",
         "fields": 
        {
            "rght": 11,
             "name": "Turkish pop",
             "parent": 142,
             "level": 1,
             "order": 1,
             "lft": 10,
             "tree_id": 10,
             "slug": "turkish-pop"
        }
    },
     
    {
        "pk": 129,
         "model": "categories.category",
         "fields": 
        {
            "rght": 5,
             "name": "Turntablism",
             "parent": 114,
             "level": 1,
             "order": 1,
             "lft": 4,
             "tree_id": 6,
             "slug": "turntablism"
        }
    },
     
    {
        "pk": 199,
         "model": "categories.category",
         "fields": 
        {
            "rght": 9,
             "name": "US pop",
             "parent": 142,
             "level": 1,
             "order": 1,
             "lft": 8,
             "tree_id": 10,
             "slug": "us-pop"
        }
    },
     
    {
        "pk": 101,
         "model": "categories.category",
         "fields": 
        {
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             "name": "Uplifting",
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             "level": 3,
             "order": 1,
             "lft": 28,
             "tree_id": 5,
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    {
        "pk": 10,
         "model": "categories.category",
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             "name": "Urban Cowboy",
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             "level": 2,
             "order": 1,
             "lft": 33,
             "tree_id": 3,
             "slug": "urban-cowboy"
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    {
        "pk": 227,
         "model": "categories.category",
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        {
            "rght": 3,
             "name": "Urban contemporary",
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             "level": 1,
             "order": 1,
             "lft": 2,
             "tree_id": 12,
             "slug": "urban-contemporary"
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    {
        "pk": 200,
         "model": "categories.category",
         "fields": 
        {
            "rght": 7,
             "name": "Vispop",
             "parent": 142,
             "level": 1,
             "order": 1,
             "lft": 6,
             "tree_id": 10,
             "slug": "vispop"
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    {
        "pk": 102,
         "model": "categories.category",
         "fields": 
        {
            "rght": 27,
             "name": "Vocal",
             "parent": 93,
             "level": 3,
             "order": 1,
             "lft": 26,
             "tree_id": 5,
             "slug": "vocal"
        }
    },
     
    {
        "pk": 130,
         "model": "categories.category",
         "fields": 
        {
            "rght": 3,
             "name": "West Coast hip hop",
             "parent": 114,
             "level": 1,
             "order": 1,
             "lft": 2,
             "tree_id": 6,
             "slug": "west-coast-hip-hop"
        }
    },
     
    {
        "pk": 54,
         "model": "categories.category",
         "fields": 
        {
            "rght": 3,
             "name": "West Coast jazz",
             "parent": 26,
             "level": 1,
             "order": 1,
             "lft": 2,
             "tree_id": 7,
             "slug": "west-coast-jazz"
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    },
     
    {
        "pk": 24,
         "model": "categories.category",
         "fields": 
        {
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             "parent": 5,
             "level": 1,
             "order": 1,
             "lft": 2,
             "tree_id": 3,
             "slug": "western"
        }
    },
     
    {
        "pk": 25,
         "model": "categories.category",
         "fields": 
        {
            "rght": 4,
             "name": "Western swing",
             "parent": 24,
             "level": 2,
             "order": 1,
             "lft": 3,
             "tree_id": 3,
             "slug": "western-swing"
        }
    },
     
    {
        "pk": 201,
         "model": "categories.category",
         "fields": 
        {
            "rght": 5,
             "name": "Wonky Pop",
             "parent": 142,
             "level": 1,
             "order": 1,
             "lft": 4,
             "tree_id": 10,
             "slug": "wonky-pop"
        }
    },
     
    {
        "pk": 292,
         "model": "categories.category",
         "fields": 
        {
            "rght": 6,
             "name": "World",
             "parent": null,
             "level": 0,
             "order": 1,
             "lft": 1,
             "tree_id": 14,
             "slug": "world"
        }
    },
     
    {
        "pk": 293,
         "model": "categories.category",
         "fields": 
        {
            "rght": 5,
             "name": "Worldbeat",
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             "level": 1,
             "order": 1,
             "lft": 2,
             "tree_id": 14,
             "slug": "worldbeat"
        }
    },
     
    {
        "pk": 202,
         "model": "categories.category",
         "fields": 
        {
            "rght": 3,
             "name": "Yugoslav pop",
             "parent": 142,
             "level": 1,
             "order": 1,
             "lft": 2,
             "tree_id": 10,
             "slug": "yugoslav-pop"
        }
    },
     
    {
        "pk": 141,
         "model": "categories.category",
         "fields": 
        {
            "rght": 3,
             "name": "Zouk",
             "parent": 131,
             "level": 1,
             "order": 1,
             "lft": 2,
             "tree_id": 8,
             "slug": "zouk"
        }
    }
]

