{
  "$schema": "https://yukihamada.github.io/openformats/music/v1.json",
  "spec_version": "1.1.0",
  "kind": "music",
  "id": "hitotsu-saki-e",
  "title": "ひとつ先へ",
  "lang": "ja",
  "license": "all-rights-reserved",
  "created_at": "2026-09-15T00:00:00+09:00",
  "authors": [
    {
      "name": "濱田優貴",
      "role": "author"
    },
    {
      "name": "Sente / 先手",
      "role": "performer"
    }
  ],
  "provenance": {
    "generator": {
      "name": "Suno",
      "version": "v4"
    },
    "human_involvement": "ai-assisted",
    "history": [
      {
        "at": "2026-09-15T00:00:00+09:00",
        "action": "create",
        "by": "yuki",
        "note": "歌詞・Style完成。Sunoで2テイク生成。"
      }
    ]
  },
  "access": {
    "visibility": "public",
    "embeddable": false,
    "derivatives": "ask"
  },
  "meta": {
    "genre": [
      "electro-pop"
    ],
    "mood": [
      "hopeful",
      "calm"
    ],
    "bpm": 104,
    "key": "F major",
    "time_signature": "4/4",
    "duration_sec": 130,
    "instrumental": false,
    "duration_note": "sections の編成は 130 秒。実テイクは前後の間奏・余韻を含み take1=194.77s / take2=178.61s（renditions[].duration_sec に実測値）。"
  },
  "sections": [
    {
      "name": "intro",
      "start_sec": 0,
      "duration_sec": 12
    },
    {
      "name": "verse1",
      "start_sec": 12,
      "duration_sec": 22
    },
    {
      "name": "prechorus",
      "start_sec": 34,
      "duration_sec": 10
    },
    {
      "name": "chorus",
      "start_sec": 44,
      "duration_sec": 22
    },
    {
      "name": "verse2",
      "start_sec": 66,
      "duration_sec": 22
    },
    {
      "name": "prechorus2",
      "start_sec": 88,
      "duration_sec": 10
    },
    {
      "name": "bridge",
      "start_sec": 98,
      "duration_sec": 18
    },
    {
      "name": "outro",
      "start_sec": 116,
      "duration_sec": 14
    }
  ],
  "tracks": [
    {
      "id": "vox",
      "instrument": "voice",
      "role": "lead"
    },
    {
      "id": "piano",
      "instrument": "piano",
      "role": "lead"
    },
    {
      "id": "bass",
      "instrument": "bass",
      "role": "bass"
    },
    {
      "id": "drums",
      "instrument": "drums",
      "role": "drums"
    }
  ],
  "lyrics": [
    {
      "section": "intro",
      "lines": [
        "（ピアノ、ひとつぶの音）",
        "朝の光が、画面のむこうで待っている"
      ],
      "lang": "ja"
    },
    {
      "section": "verse1",
      "lines": [
        "言葉にする前に、もう動いている",
        "Mac の向こうで、仕事が走っている",
        "鍵のかかったドアも、予定のすきまも",
        "あなたの代わりに、確かめておくよ"
      ],
      "lang": "ja"
    },
    {
      "section": "prechorus",
      "lines": [
        "迷う時間を、あなたに返すために",
        "ぼくは先に、一歩だけ出る"
      ],
      "lang": "ja"
    },
    {
      "section": "chorus",
      "lines": [
        "先手、先手、ひとつ先へ",
        "声をかければ、もう動きだす",
        "先手、先手、ひとつ先へ",
        "あなたは、あなたの一日を",
        "（One move ahead, always）",
        "言葉が、建つ"
      ],
      "lang": "ja"
    },
    {
      "section": "verse2",
      "lines": [
        "読みちがえたら、そのまま言って",
        "消さないでおくよ、途中のことば",
        "ミュートにしても、待っているから",
        "話したい時に、また話せばいい"
      ],
      "lang": "ja"
    },
    {
      "section": "prechorus2",
      "lines": [
        "急がせない、せかさない",
        "あなたの間で、待っている"
      ],
      "lang": "ja"
    },
    {
      "section": "bridge",
      "lines": [
        "外に届くことは、いちど立ち止まって",
        "「これでいい？」と、あなたに訊く",
        "それ以外は、静かに終わらせる",
        "それが、先手"
      ],
      "lang": "ja"
    },
    {
      "section": "outro",
      "lines": [
        "声で、ひとつずつ",
        "先手、先手",
        "（ピアノ、ひとつぶの音）"
      ],
      "lang": "ja"
    }
  ],
  "generation": {
    "provider": "suno",
    "prompt": "Bright Japanese electro-pop, warm upright piano and soft four-on-the-floor, airy synth pads, gentle male-female unison vocal, BPM 104, key F major, hopeful and calm, clean modern mix, radio-ready, no rap, no distortion"
  },
  "renditions": [
    {
      "format": "m4a",
      "path": "takes/take1_full.m4a",
      "sha256": "627961020ae8f9fc416da064fd3977447a6d24d9f93a9ec5bc9afcd35e795dea",
      "kind": "audio",
      "duration_sec": 194.77
    },
    {
      "format": "m4a",
      "path": "takes/take2_full.m4a",
      "sha256": "dc49a5ae41c7eb7264d9f0e563e845c6c3038e29b330f48e09aa20dd82a725ef",
      "kind": "audio",
      "duration_sec": 178.61
    },
    {
      "kind": "audio",
      "format": "mp3",
      "sha256": "d3d2669fbf98f1f29c04710f4b822548433190dd757783dd2f4a5cc2b1336619",
      "bytes": 1538469,
      "generated_at": "2026-11-10T18:48:29Z",
      "model": "yukihamada",
      "provider": "teai",
      "note": "content-addressed: manifest 60480f9d0359",
      "path": "Hitotsu-Saki-e-yukihamada.mp3",
      "manifest_sha256": "60480f9d0359b2bc82da6e6e2fdd58123c0522e33ce40b76401bb399b6f84a29",
      "chunk_count": 138,
      "new_bytes": 1538469
    }
  ],
  "content_hash": "bfa6ce17b33cfb69efc241bb368a02d59d3d37e9c4202158f9f9bb3b690bac78",
  "revisions": [
    {
      "at": "2026-11-08T08:14:23Z",
      "action": "create",
      "content_hash": "bfa6ce17b33cfb69efc241bb368a02d59d3d37e9c4202158f9f9bb3b690bac78",
      "patch": [],
      "snapshot": {
        "$schema": "https://yukihamada.github.io/openformats/music/v1.json",
        "spec_version": "1.1.0",
        "kind": "music",
        "id": "hitotsu-saki-e",
        "title": "ひとつ先へ",
        "lang": "ja",
        "license": "all-rights-reserved",
        "created_at": "2026-09-15T00:00:00+09:00",
        "authors": [
          {
            "name": "濱田優貴",
            "role": "author"
          },
          {
            "name": "Sente / 先手",
            "role": "performer"
          }
        ],
        "provenance": {
          "generator": {
            "name": "Suno",
            "version": "v4"
          },
          "human_involvement": "ai-assisted"
        },
        "access": {
          "visibility": "public",
          "embeddable": false,
          "derivatives": "ask"
        },
        "meta": {
          "genre": [
            "electro-pop"
          ],
          "mood": [
            "hopeful",
            "calm"
          ],
          "bpm": 104,
          "key": "F major",
          "time_signature": "4/4",
          "duration_sec": 130,
          "instrumental": false,
          "duration_note": "sections の編成は 130 秒。実テイクは前後の間奏・余韻を含み take1=194.77s / take2=178.61s（renditions[].duration_sec に実測値）。"
        },
        "sections": [
          {
            "name": "intro",
            "start_sec": 0,
            "duration_sec": 12
          },
          {
            "name": "verse1",
            "start_sec": 12,
            "duration_sec": 22
          },
          {
            "name": "prechorus",
            "start_sec": 34,
            "duration_sec": 10
          },
          {
            "name": "chorus",
            "start_sec": 44,
            "duration_sec": 22
          },
          {
            "name": "verse2",
            "start_sec": 66,
            "duration_sec": 22
          },
          {
            "name": "prechorus2",
            "start_sec": 88,
            "duration_sec": 10
          },
          {
            "name": "bridge",
            "start_sec": 98,
            "duration_sec": 18
          },
          {
            "name": "outro",
            "start_sec": 116,
            "duration_sec": 14
          }
        ],
        "tracks": [
          {
            "id": "vox",
            "instrument": "voice",
            "role": "lead"
          },
          {
            "id": "piano",
            "instrument": "piano",
            "role": "lead"
          },
          {
            "id": "bass",
            "instrument": "bass",
            "role": "bass"
          },
          {
            "id": "drums",
            "instrument": "drums",
            "role": "drums"
          }
        ],
        "lyrics": [
          {
            "section": "intro",
            "lines": [
              "（ピアノ、ひとつぶの音）",
              "朝の光が、画面のむこうで待っている"
            ],
            "lang": "ja"
          },
          {
            "section": "verse1",
            "lines": [
              "言葉にする前に、もう動いている",
              "Mac の向こうで、仕事が走っている",
              "鍵のかかったドアも、予定のすきまも",
              "あなたの代わりに、確かめておくよ"
            ],
            "lang": "ja"
          },
          {
            "section": "prechorus",
            "lines": [
              "迷う時間を、あなたに返すために",
              "ぼくは先に、一歩だけ出る"
            ],
            "lang": "ja"
          },
          {
            "section": "chorus",
            "lines": [
              "先手、先手、ひとつ先へ",
              "声をかければ、もう動きだす",
              "先手、先手、ひとつ先へ",
              "あなたは、あなたの一日を",
              "（One move ahead, always）",
              "言葉が、建つ"
            ],
            "lang": "ja"
          },
          {
            "section": "verse2",
            "lines": [
              "読みちがえたら、そのまま言って",
              "消さないでおくよ、途中のことば",
              "ミュートにしても、待っているから",
              "話したい時に、また話せばいい"
            ],
            "lang": "ja"
          },
          {
            "section": "prechorus2",
            "lines": [
              "急がせない、せかさない",
              "あなたの間で、待っている"
            ],
            "lang": "ja"
          },
          {
            "section": "bridge",
            "lines": [
              "外に届くことは、いちど立ち止まって",
              "「これでいい？」と、あなたに訊く",
              "それ以外は、静かに終わらせる",
              "それが、先手"
            ],
            "lang": "ja"
          },
          {
            "section": "outro",
            "lines": [
              "声で、ひとつずつ",
              "先手、先手",
              "（ピアノ、ひとつぶの音）"
            ],
            "lang": "ja"
          }
        ],
        "generation": {
          "provider": "suno",
          "prompt": "Bright Japanese electro-pop, warm upright piano and soft four-on-the-floor, airy synth pads, gentle male-female unison vocal, BPM 104, key F major, hopeful and calm, clean modern mix, radio-ready, no rap, no distortion"
        }
      },
      "by": "yuki",
      "note": "初版"
    }
  ],
  "signatures": [
    {
      "alg": "Ed25519",
      "public_key": "nRLFpgBPvNxWaffMaXAlaEq/fHYX3m/J8pOjOmi/gsU=",
      "signature": "2otTORyp5vdPRlaImHwmGYpb8AItL8OPkNaBdM7RPAmQxxwq/7SwVat9pZQ2gksEe2BGPMtaFOBq1IA3GM1gBg==",
      "signer": "yukihamada",
      "signed_at": "2026-11-08T08:41:55Z"
    }
  ]
}
