"rockumentary" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "rock",
        "3": "documentary"
      },
      "expansion": "Blend of rock + documentary",
      "name": "blend"
    }
  ],
  "etymology_text": "Blend of rock + documentary",
  "forms": [
    {
      "form": "rockumentaries",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rockumentary (plural rockumentaries)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English blends",
          "parents": [],
          "source": "w"
        },
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Film",
          "orig": "en:Film",
          "parents": [
            "Entertainment",
            "Mass media",
            "Culture",
            "Media",
            "Society",
            "Communication",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "A documentary about rock music or its musicians."
      ],
      "id": "en-rockumentary-en-noun-HoFUTwWz",
      "links": [
        [
          "documentary",
          "documentary"
        ],
        [
          "rock music",
          "rock music"
        ]
      ],
      "wikipedia": [
        "rockumentary"
      ]
    }
  ],
  "word": "rockumentary"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "rock",
        "3": "documentary"
      },
      "expansion": "Blend of rock + documentary",
      "name": "blend"
    }
  ],
  "etymology_text": "Blend of rock + documentary",
  "forms": [
    {
      "form": "rockumentaries",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rockumentary (plural rockumentaries)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      ],
      "glosses": [
        "A documentary about rock music or its musicians."
      ],
      "links": [
        [
          "documentary",
          "documentary"
        ],
        [
          "rock music",
          "rock music"
        ]
      ],
      "wikipedia": [
        "rockumentary"
      ]
    }
  ],
  "word": "rockumentary"
}