"hillbilly music" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "hillbilly music (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Musical genres",
          "orig": "en:Musical genres",
          "parents": [
            "Genres",
            "Music",
            "Entertainment",
            "Art",
            "Sound",
            "Culture",
            "Energy",
            "Society",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "bluegrass"
        },
        {
          "word": "old-time country"
        }
      ],
      "glosses": [
        "A mix of Appalachian, Southern and western music, performed by rural white people in a range of styles for commercial recording in the early United States popular music industry; the precursor to country music."
      ],
      "id": "en-hillbilly_music-en-noun-XbzIWNY2",
      "links": [
        [
          "popular music",
          "popular music"
        ],
        [
          "country music",
          "country music"
        ]
      ],
      "qualifier": "to the 1930s",
      "raw_glosses": [
        "(historical, to the 1930s, US) A mix of Appalachian, Southern and western music, performed by rural white people in a range of styles for commercial recording in the early United States popular music industry; the precursor to country music."
      ],
      "tags": [
        "US",
        "historical",
        "uncountable"
      ]
    }
  ],
  "word": "hillbilly music"
}

{
  "coordinate_terms": [
    {
      "word": "bluegrass"
    },
    {
      "word": "old-time country"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "hillbilly music (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with historical senses",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Musical genres"
      ],
      "glosses": [
        "A mix of Appalachian, Southern and western music, performed by rural white people in a range of styles for commercial recording in the early United States popular music industry; the precursor to country music."
      ],
      "links": [
        [
          "popular music",
          "popular music"
        ],
        [
          "country music",
          "country music"
        ]
      ],
      "qualifier": "to the 1930s",
      "raw_glosses": [
        "(historical, to the 1930s, US) A mix of Appalachian, Southern and western music, performed by rural white people in a range of styles for commercial recording in the early United States popular music industry; the precursor to country music."
      ],
      "tags": [
        "US",
        "historical",
        "uncountable"
      ]
    }
  ],
  "word": "hillbilly music"
}