"golden oldie" meaning in English

{
  "forms": [
    {
      "form": "golden oldies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "golden oldie (plural golden oldies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English alliterative compounds",
          "parents": [
            "Alliterative compounds",
            "Alliterative phrases",
            "Compound terms",
            "Phrases",
            "Terms by etymology",
            "Lemmas",
            "Multiword terms"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "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": "Nostalgia",
          "orig": "en:Nostalgia",
          "parents": [
            "Emotions",
            "History",
            "Memory",
            "Mind",
            "All topics",
            "Human",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Something, especially a record, that was very popular in a former era."
      ],
      "id": "en-golden_oldie-en-noun-opaltIzk",
      "links": [
        [
          "record",
          "record"
        ],
        [
          "popular",
          "popular"
        ],
        [
          "era",
          "era"
        ]
      ],
      "raw_glosses": [
        "(colloquial) Something, especially a record, that was very popular in a former era."
      ],
      "related": [
        {
          "word": "golden age"
        },
        {
          "word": "golden era"
        }
      ],
      "synonyms": [
        {
          "word": "oldie but goodie"
        }
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-us-golden oldie.ogg",
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      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/3/3a/En-us-golden_oldie.ogg"
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  ],
  "word": "golden oldie"
}

{
  "forms": [
    {
      "form": "golden oldies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "golden oldie (plural golden oldies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "golden age"
    },
    {
      "word": "golden era"
    }
  ],
  "senses": [
    {
      "categories": [
        "English alliterative compounds",
        "English colloquialisms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Nostalgia"
      ],
      "glosses": [
        "Something, especially a record, that was very popular in a former era."
      ],
      "links": [
        [
          "record",
          "record"
        ],
        [
          "popular",
          "popular"
        ],
        [
          "era",
          "era"
        ]
      ],
      "raw_glosses": [
        "(colloquial) Something, especially a record, that was very popular in a former era."
      ],
      "synonyms": [
        {
          "word": "oldie but goodie"
        }
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
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  "word": "golden oldie"
}