"Mersey sound" meaning in English

{
  "head_templates": [
    {
      "args": {},
      "expansion": "Mersey sound",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "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"
        }
      ],
      "glosses": [
        "Merseybeat."
      ],
      "id": "en-Mersey_sound-en-name-NLI-3XYz",
      "links": [
        [
          "Merseybeat",
          "Merseybeat"
        ]
      ],
      "synonyms": [
        {
          "word": "Mersey Sound"
        }
      ]
    }
  ],
  "word": "Mersey sound"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "Mersey sound",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English terms derived from toponyms",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns",
        "en:Musical genres"
      ],
      "glosses": [
        "Merseybeat."
      ],
      "links": [
        [
          "Merseybeat",
          "Merseybeat"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Mersey Sound"
    }
  ],
  "word": "Mersey sound"
}