"on song" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase",
        "head": ""
      },
      "expansion": "on song",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "on song",
      "name": "en-PP"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Alex (not on) Song as ITV pundit in Berlin -- West Ham's former Barcelona player endured a tough evening in ITV's Champions League final studio. https://uk.eurosport.yahoo.com/blogs/world-of-sport/alex--not-on--song-as-itv-pundit-192922810.html"
        }
      ],
      "glosses": [
        "Playing or performing well."
      ],
      "id": "en-on_song-en-prep_phrase-e6IO~WEY",
      "raw_glosses": [
        "(UK, informal) Playing or performing well."
      ],
      "tags": [
        "UK",
        "informal"
      ]
    }
  ],
  "word": "on song"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase",
        "head": ""
      },
      "expansion": "on song",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "on song",
      "name": "en-PP"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        "British English",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English prepositional phrases",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "Alex (not on) Song as ITV pundit in Berlin -- West Ham's former Barcelona player endured a tough evening in ITV's Champions League final studio. https://uk.eurosport.yahoo.com/blogs/world-of-sport/alex--not-on--song-as-itv-pundit-192922810.html"
        }
      ],
      "glosses": [
        "Playing or performing well."
      ],
      "raw_glosses": [
        "(UK, informal) Playing or performing well."
      ],
      "tags": [
        "UK",
        "informal"
      ]
    }
  ],
  "word": "on song"
}