{
  "schema": "kbatch-chart-geometry-capsules-v1",
  "generated": "2026-07-17T01:52:22.435Z",
  "source": "title-path",
  "claim": "Metadata capsules only — title-path geometry metrics. Not commercial full lyrics.",
  "corpus": {
    "tracks": 1141,
    "avgBpm": 153.4,
    "bpmMin": 129,
    "bpmMax": 168,
    "avgStrain": 81.4,
    "avgEfficiency": 64.1,
    "numberOnes": 168,
    "titlePath": 1141,
    "withLyricsFile": 0,
    "years": [
      2015,
      2016,
      2017,
      2018,
      2019,
      2020,
      2021,
      2022,
      2023,
      2024,
      2025,
      2026
    ]
  },
  "capsuleCount": 25,
  "path": "data/lyrics/charts/capsules.json",
  "mcp": {
    "list": "kbatch_chart_lookup({ listCapsules: true })",
    "open": "kbatch_chart_lookup({ capsule: \"chart-flow-dense\" })"
  },
  "capsules": [
    {
      "id": "chart-world-all",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "All world chart geometry (2015–2026)",
      "filters": {
        "years": "2015-2026"
      },
      "metrics": {
        "trackCount": 1141,
        "avgBpm": 153.4,
        "avgStrain": 81.4,
        "avgEfficiency": 64.1,
        "numberOnes": 168
      },
      "examples": [
        "4x4-travis-scott",
        "a-bar-song-shaboozey",
        "all-i-want-for-christmas-is-you-mariah-carey",
        "all-too-well-taylor-swift",
        "anxiety-doechii"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-world-all\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-year-2015",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "2015 chart geometry",
      "filters": {
        "year": 2015
      },
      "metrics": {
        "trackCount": 99,
        "avgBpm": 153.4,
        "avgStrain": 83.2,
        "avgEfficiency": 63.1,
        "numberOnes": 3
      },
      "examples": [
        "can-t-feel-my-face-the-weeknd",
        "uptown-funk-mark-ronson-bruno-mars",
        "what-do-you-mean-justin-bieber",
        "thinking-out-loud-ed-sheeran",
        "see-you-again-wiz-khalifa-charlie-puth"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-year-2015\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-year-2016",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "2016 chart geometry",
      "filters": {
        "year": 2016
      },
      "metrics": {
        "trackCount": 99,
        "avgBpm": 153.5,
        "avgStrain": 81.7,
        "avgEfficiency": 64.2,
        "numberOnes": 6
      },
      "examples": [
        "black-beatles-rae-sremmurd-gucci-mane",
        "can-t-stop-the-feeling-justin-timberlake",
        "cold-water-major-lazer-m",
        "love-yourself-justin-bieber",
        "pillowtalk-zayn"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-year-2016\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-year-2017",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "2017 chart geometry",
      "filters": {
        "year": 2017
      },
      "metrics": {
        "trackCount": 97,
        "avgBpm": 154.6,
        "avgStrain": 82.4,
        "avgEfficiency": 63.8,
        "numberOnes": 6
      },
      "examples": [
        "bad-and-boujee-migos-lil-uzi-vert",
        "havana-camila-cabello-young-thug",
        "humble-kendrick-lamar",
        "i-m-the-one-dj-khaled-justin-bieber-quavo-chance-the-rapper",
        "shape-of-you-ed-sheeran"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-year-2017\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-year-2018",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "2018 chart geometry",
      "filters": {
        "year": 2018
      },
      "metrics": {
        "trackCount": 103,
        "avgBpm": 153.2,
        "avgStrain": 79.7,
        "avgEfficiency": 65.2,
        "numberOnes": 11
      },
      "examples": [
        "call-out-my-name-the-weeknd",
        "god-s-plan-drake",
        "i-like-it-cardi-b-bad-bunny-j-balvin",
        "i-love-it-kanye-west-lil-pump",
        "no-tears-left-to-cry-ariana-grande"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-year-2018\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-year-2019",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "2019 chart geometry",
      "filters": {
        "year": 2019
      },
      "metrics": {
        "trackCount": 100,
        "avgBpm": 153.2,
        "avgStrain": 81.7,
        "avgEfficiency": 64.1,
        "numberOnes": 13
      },
      "examples": [
        "bad-guy-billie-eilish",
        "circles-post-malone",
        "heartless-the-weeknd",
        "highest-in-the-room-travis-scott",
        "i-don-t-care-ed-sheeran-justin-bieber"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-year-2019\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-year-2020",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "2020 chart geometry",
      "filters": {
        "year": 2020
      },
      "metrics": {
        "trackCount": 109,
        "avgBpm": 153.2,
        "avgStrain": 81.9,
        "avgEfficiency": 64.2,
        "numberOnes": 19
      },
      "examples": [
        "blinding-lights-the-weeknd",
        "cardigan-taylor-swift",
        "hawai-maluma",
        "lovesick-girls-blackpink",
        "monster-shawn-mendes"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-year-2020\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-year-2021",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "2021 chart geometry",
      "filters": {
        "year": 2021
      },
      "metrics": {
        "trackCount": 105,
        "avgBpm": 153.3,
        "avgStrain": 79.1,
        "avgEfficiency": 64.3,
        "numberOnes": 15
      },
      "examples": [
        "all-too-well-taylor-swift",
        "calling-my-phone-lil-tjay-6lack",
        "heat-waves-glass-animals",
        "leave-the-door-open-silk-sonic-bruno-mars-anderson-paak",
        "levitating-dua-lipa"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-year-2021\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-year-2022",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "2022 chart geometry",
      "filters": {
        "year": 2022
      },
      "metrics": {
        "trackCount": 99,
        "avgBpm": 153.4,
        "avgStrain": 80.5,
        "avgEfficiency": 64.4,
        "numberOnes": 14
      },
      "examples": [
        "as-it-was-harry-styles",
        "beatbox-nct-dream",
        "creepin-metro-boomin-the-weeknd",
        "envolver-anitta",
        "first-class-jack-harlow"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-year-2022\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-year-2023",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "2023 chart geometry",
      "filters": {
        "year": 2023
      },
      "metrics": {
        "trackCount": 101,
        "avgBpm": 153.1,
        "avgStrain": 82,
        "avgEfficiency": 63.7,
        "numberOnes": 24
      },
      "examples": [
        "bzrp-music-sessions-vol-55-bizarrap",
        "die-for-you-the-weeknd-ariana-grande",
        "ella-baila-sola-eslabon-armado-peso-pluma",
        "god-of-music-seventeen",
        "greedy-tate-mcrae"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-year-2023\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-year-2024",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "2024 chart geometry",
      "filters": {
        "year": 2024
      },
      "metrics": {
        "trackCount": 91,
        "avgBpm": 152.9,
        "avgStrain": 81.1,
        "avgEfficiency": 63.7,
        "numberOnes": 21
      },
      "examples": [
        "a-bar-song-shaboozey",
        "carnival-ye-ty-dolla-sign-rich-the-kid",
        "die-with-a-smile-lady-gaga-bruno-mars",
        "espresso-sabrina-carpenter",
        "fortnight-taylor-swift-post-malone"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-year-2024\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-year-2025",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "2025 chart geometry",
      "filters": {
        "year": 2025
      },
      "metrics": {
        "trackCount": 82,
        "avgBpm": 154.3,
        "avgStrain": 80.7,
        "avgEfficiency": 64.5,
        "numberOnes": 12
      },
      "examples": [
        "4x4-travis-scott",
        "anxiety-doechii",
        "apt-rose-bruno-mars",
        "blue-valentine-nmixx",
        "die-with-a-smile-lady-gaga"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-year-2025\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-year-2026",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "2026 chart geometry",
      "filters": {
        "year": 2026
      },
      "metrics": {
        "trackCount": 56,
        "avgBpm": 153.3,
        "avgStrain": 83.9,
        "avgEfficiency": 62.8,
        "numberOnes": 24
      },
      "examples": [
        "all-i-want-for-christmas-is-you-mariah-carey",
        "aperture-harry-styles",
        "billie-jean-michael-jackson",
        "choosin-texas-ella-langley",
        "daisies-justin-bieber"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-year-2026\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-number-ones",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "Peak #1 chart geometry",
      "filters": {
        "numberOne": true
      },
      "metrics": {
        "trackCount": 168,
        "avgBpm": 152.9,
        "avgStrain": 81.8,
        "avgEfficiency": 64,
        "numberOnes": 168
      },
      "examples": [
        "4x4-travis-scott",
        "a-bar-song-shaboozey",
        "all-i-want-for-christmas-is-you-mariah-carey",
        "all-too-well-taylor-swift",
        "anxiety-doechii"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-number-ones\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-flow-dense",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "High-BPM dense geometry (BPM ≥ 155)",
      "filters": {
        "flowClass": "dense",
        "bpmMin": 155
      },
      "metrics": {
        "trackCount": 511,
        "avgBpm": 158.5,
        "avgStrain": 79.8,
        "avgEfficiency": 64.8,
        "numberOnes": 68
      },
      "examples": [
        "4x4-travis-scott",
        "all-i-want-for-christmas-is-you-mariah-carey",
        "anxiety-doechii",
        "black-beatles-rae-sremmurd-gucci-mane",
        "blinding-lights-the-weeknd"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-flow-dense\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-flow-balanced",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "Balanced mid-tempo geometry (141–154 BPM)",
      "filters": {
        "flowClass": "balanced",
        "bpmMin": 141,
        "bpmMax": 154
      },
      "metrics": {
        "trackCount": 593,
        "avgBpm": 150.2,
        "avgStrain": 82.3,
        "avgEfficiency": 63.7,
        "numberOnes": 93
      },
      "examples": [
        "a-bar-song-shaboozey",
        "all-too-well-taylor-swift",
        "aperture-harry-styles",
        "apt-rose-bruno-mars",
        "as-it-was-harry-styles"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-flow-balanced\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-flow-glide",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "Glide / lower-tempo geometry (BPM ≤ 140)",
      "filters": {
        "flowClass": "glide",
        "bpmMax": 140
      },
      "metrics": {
        "trackCount": 37,
        "avgBpm": 135.2,
        "avgStrain": 89.5,
        "avgEfficiency": 60.6,
        "numberOnes": 7
      },
      "examples": [
        "die-with-a-smile-lady-gaga",
        "ganadara-jay-park",
        "god-s-plan-drake",
        "idgaf-drake-yeat",
        "levitating-dua-lipa"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-flow-glide\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-era-2015-2019",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "Era 2015–2019 chart geometry",
      "filters": {
        "yearMin": 2015,
        "yearMax": 2019
      },
      "metrics": {
        "trackCount": 498,
        "avgBpm": 153.6,
        "avgStrain": 81.7,
        "avgEfficiency": 64.1,
        "numberOnes": 39
      },
      "examples": [
        "bad-and-boujee-migos-lil-uzi-vert",
        "bad-guy-billie-eilish",
        "black-beatles-rae-sremmurd-gucci-mane",
        "call-out-my-name-the-weeknd",
        "can-t-feel-my-face-the-weeknd"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-era-2015-2019\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-era-2020-2022",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "Era 2020–2022 chart geometry",
      "filters": {
        "yearMin": 2020,
        "yearMax": 2022
      },
      "metrics": {
        "trackCount": 313,
        "avgBpm": 153.3,
        "avgStrain": 80.5,
        "avgEfficiency": 64.3,
        "numberOnes": 48
      },
      "examples": [
        "all-too-well-taylor-swift",
        "as-it-was-harry-styles",
        "beatbox-nct-dream",
        "blinding-lights-the-weeknd",
        "calling-my-phone-lil-tjay-6lack"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-era-2020-2022\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-era-2023-2026",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "Era 2023–2026 chart geometry",
      "filters": {
        "yearMin": 2023,
        "yearMax": 2026
      },
      "metrics": {
        "trackCount": 330,
        "avgBpm": 153.4,
        "avgStrain": 81.8,
        "avgEfficiency": 63.8,
        "numberOnes": 81
      },
      "examples": [
        "4x4-travis-scott",
        "a-bar-song-shaboozey",
        "all-i-want-for-christmas-is-you-mariah-carey",
        "anxiety-doechii",
        "aperture-harry-styles"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-era-2023-2026\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-region-us",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "US chart geometry rows",
      "filters": {
        "region": "US"
      },
      "metrics": {
        "trackCount": 1084,
        "avgBpm": 153.5,
        "avgStrain": 81.3,
        "avgEfficiency": 64.1,
        "numberOnes": 131
      },
      "examples": [
        "4x4-travis-scott",
        "a-bar-song-shaboozey",
        "all-i-want-for-christmas-is-you-mariah-carey",
        "all-too-well-taylor-swift",
        "anxiety-doechii"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-region-us\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-region-au",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "AU chart geometry rows",
      "filters": {
        "region": "AU"
      },
      "metrics": {
        "trackCount": 24,
        "avgBpm": 152.7,
        "avgStrain": 79,
        "avgEfficiency": 65.3,
        "numberOnes": 24
      },
      "examples": [
        "all-i-want-for-christmas-is-you-mariah-carey",
        "all-too-well-taylor-swift",
        "anxiety-doechii",
        "as-it-was-harry-styles",
        "cardigan-taylor-swift"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-region-au\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-region-kr",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "KR chart geometry rows",
      "filters": {
        "region": "KR"
      },
      "metrics": {
        "trackCount": 16,
        "avgBpm": 154.2,
        "avgStrain": 78.9,
        "avgEfficiency": 66,
        "numberOnes": 16
      },
      "examples": [
        "apt-rose-bruno-mars",
        "beatbox-nct-dream",
        "blue-valentine-nmixx",
        "ganadara-jay-park",
        "god-of-music-seventeen"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-region-kr\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-region-ca",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "CA chart geometry rows",
      "filters": {
        "region": "CA"
      },
      "metrics": {
        "trackCount": 49,
        "avgBpm": 153.6,
        "avgStrain": 81.7,
        "avgEfficiency": 64.1,
        "numberOnes": 49
      },
      "examples": [
        "all-i-want-for-christmas-is-you-mariah-carey",
        "all-too-well-taylor-swift",
        "as-it-was-harry-styles",
        "bad-guy-billie-eilish",
        "call-out-my-name-the-weeknd"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-region-ca\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    },
    {
      "id": "chart-us-2024-hot",
      "kind": "chart-geometry-capsule",
      "source": "title-path",
      "label": "2024 chart geometry (Too Sweet era)",
      "filters": {
        "year": 2024
      },
      "demos": [
        "too-sweet-hozier"
      ],
      "metrics": {
        "trackCount": 91,
        "avgBpm": 152.9,
        "avgStrain": 81.1,
        "avgEfficiency": 63.7,
        "numberOnes": 21
      },
      "examples": [
        "a-bar-song-shaboozey",
        "carnival-ye-ty-dolla-sign-rich-the-kid",
        "die-with-a-smile-lady-gaga-bruno-mars",
        "espresso-sabrina-carpenter",
        "fortnight-taylor-swift-post-malone"
      ],
      "mcp": "kbatch_chart_lookup({ capsule: \"chart-us-2024-hot\" })",
      "packs": "data/lyrics/analyses/{slug}.json"
    }
  ]
}