"part singing" meaning in English

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      "expansion": "part singing (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "source": "w"
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      "glosses": [
        "The performance of a part song."
      ],
      "id": "en-part_singing-en-noun-67ZxrjGn",
      "links": [
        [
          "part song",
          "part song"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "part singing"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "part singing (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The performance of a part song."
      ],
      "links": [
        [
          "part song",
          "part song"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "part singing"
}