"DJ copy" meaning in English

{
  "forms": [
    {
      "form": "DJ copies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "DJ copy (plural DJ copies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Music",
          "orig": "en:Music",
          "parents": [
            "Art",
            "Sound",
            "Culture",
            "Energy",
            "Society",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1966 May 14, Billboard, page 10",
          "text": "On the Brass' next single, the company is considering sending out DJ copies with one song on both sides.",
          "type": "quotation"
        },
        {
          "ref": "1974, Robert E. Runstein, Modern Recording Techniques, page 309",
          "text": "On DJ copies of singles, the \"plug\" side or A side is usually recorded in stereo on one side and in mono on the other side.",
          "type": "quotation"
        },
        {
          "ref": "1982, Journal - Association for Recorded Sound Collections",
          "text": "The second side will be blank, not a duplicate of the hit side as many DJ copies have.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A copy of a single sent out to disc jockeys, having the B-side either blank or duplicating the A-side."
      ],
      "id": "en-DJ_copy-en-noun-p2QSgwBF",
      "links": [
        [
          "single",
          "single"
        ],
        [
          "disc jockey",
          "disc jockey"
        ],
        [
          "B-side",
          "B-side"
        ],
        [
          "A-side",
          "A-side"
        ]
      ]
    }
  ],
  "word": "DJ copy"
}

{
  "forms": [
    {
      "form": "DJ copies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "DJ copy (plural DJ copies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Music"
      ],
      "examples": [
        {
          "ref": "1966 May 14, Billboard, page 10",
          "text": "On the Brass' next single, the company is considering sending out DJ copies with one song on both sides.",
          "type": "quotation"
        },
        {
          "ref": "1974, Robert E. Runstein, Modern Recording Techniques, page 309",
          "text": "On DJ copies of singles, the \"plug\" side or A side is usually recorded in stereo on one side and in mono on the other side.",
          "type": "quotation"
        },
        {
          "ref": "1982, Journal - Association for Recorded Sound Collections",
          "text": "The second side will be blank, not a duplicate of the hit side as many DJ copies have.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A copy of a single sent out to disc jockeys, having the B-side either blank or duplicating the A-side."
      ],
      "links": [
        [
          "single",
          "single"
        ],
        [
          "disc jockey",
          "disc jockey"
        ],
        [
          "B-side",
          "B-side"
        ],
        [
          "A-side",
          "A-side"
        ]
      ]
    }
  ],
  "word": "DJ copy"
}