"音樂即興" meaning in Chinois

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en chinois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Chinois",
      "orig": "chinois",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de 音樂／音乐 (yīnyuè, « musique ») et de 即興／即兴 (jíxìng, « improvisation »)."
  ],
  "forms": [
    {
      "form": "音乐即兴",
      "tags": [
        "Simplified-Chinese"
      ]
    }
  ],
  "lang": "Chinois",
  "lang_code": "zh",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en chinois de la musique",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Improvisation."
      ],
      "id": "fr-音樂即興-zh-noun-vMHW7Nm8",
      "topics": [
        "music"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Pinyin"
      ],
      "zh_pron": "yīnyuè jíxìng"
    },
    {
      "ipa": "\\in˥ y̯œ˥˩ t͡ɕi˧˥ ɕiŋ˥˩\\"
    }
  ],
  "word": "音樂即興"
}

{
  "categories": [
    "Noms communs en chinois",
    "chinois"
  ],
  "etymology_texts": [
    "Composé de 音樂／音乐 (yīnyuè, « musique ») et de 即興／即兴 (jíxìng, « improvisation »)."
  ],
  "forms": [
    {
      "form": "音乐即兴",
      "tags": [
        "Simplified-Chinese"
      ]
    }
  ],
  "lang": "Chinois",
  "lang_code": "zh",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en chinois de la musique"
      ],
      "glosses": [
        "Improvisation."
      ],
      "topics": [
        "music"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Pinyin"
      ],
      "zh_pron": "yīnyuè jíxìng"
    },
    {
      "ipa": "\\in˥ y̯œ˥˩ t͡ɕi˧˥ ɕiŋ˥˩\\"
    }
  ],
  "word": "音樂即興"
}