{
  "prompt": "Genre: Chinese-style Pop Ballad, featuring dizi and guzheng melodies over a modern pop drum groove; BPM: 70; Key: Am (Pentatonic); Rhythm: Pop Ballad Fusion: Slow 4/4 acoustic drum groove, simple kick/snare pattern, organic bass, breathing tempo; Instruments: Layer 1 (Classical Melodic Core): Dizi (soaring melodic lead), Guzheng (background arpeggios). Layer 2 (Modern Rhythm Foundation): modern acoustic drum kit, clean electric bass. Layer 3 (Harmonic Glue): Orchestral strings swells, clean piano chords, electric guitar lead in interlude; Vocals: Female, clear soprano, ancient-style tone, precise poetic diction, delicate and poised; Mood: Tragic fate and loyal devotion across lifetimes, evoking imagery of a bluestone inscription under a lonely moon; Production: High-Fidelity, Pristine Radio-Ready Mix with expensive analogue warmth and silky smooth high-end; Highlight: the soaring Dizi flute melody that acts as both intro hook and chorus counterpoint",
  "lyrics": "[intro]\n(Chords: Am - G - C - F)\n(Inst: Solo Dizi intro, pentatonic melody; Guzheng arpeggios; light string pad enters)\n(Motif-Anatomy: Descending pentatonic Dizi hook, graceful long notes)\n(Mix: Dizi upfront and center, atmospheric reverb)\n\n(Transition: Soft cymbal swell, piano enters with chords)\n[verse]\n(Chords: Am - Em - F - C)\n(Vocal-Perf: Soft, breathy chest voice; clear poetic diction; emotionally restrained storytelling)\n(Inst: Piano chords, simple bassline; Dizi provides subtle fills at end of phrases)\n(Phrase-Structure: Symmetrical 4-bar phrasing, narrative style)\n光阴如梭\n一梭才去一梭痴\n情丝百转\n丝丝缠乱犹不知\n织一段 锦绣纹饰\n并连理双枝\n难寄托 这相思\n\n(Transition: Drums and full strings enter, building energy)\n[pre-chorus]\n(Chords: F - C - G - Am)\n(Vocal-Perf: Volume and intensity increase; sense of urgency)\n(Inst: Full acoustic drum kit enters with steady ballad groove; orchestral strings swell)\n(Contour-&-Range: Ascending melodic line, builds tension towards chorus)\n兜兜转转\n朝花夕拾却已迟\n寻寻觅觅\n醉生梦死又一世\n还记得 前生盟誓\n欲言竟无词\n恨对面 不相识\n\n(Transition: Hit on beat one, open up mix)\n[chorus]\n(Chords: C - G - Am - Em - F - C - F - G)\n(Vocal-Perf: Full, open-throated soprano; powerful and emotive; sustained notes with natural vibrato)\n(Inst: Dizi plays counter-melody weaving with vocals; lush string arrangement; drums provide strong backbeat)\n(Contour-&-Range: Upward leap to a high register on first phrase, peak of melodic arc)\n我愿化作 望断天涯\n那一方青石\n篆刻心头 是你的名字\n轮回彩蝶 化茧自缚\n织就春蚕丝\n剪不断 共缠绵\n生生世世\n\n(Transition: Vocals end, lead instrument takes over)\n[interlude]\n(Chords: Am - G - C - F - Dm - Am - E - Am)\n(Inst: Expressive electric guitar solo with rock inflections, then Dizi takes over with main theme)\n(Mix: Guitar and Dizi are the focus; rhythm section continues underneath)\n\n(Transition: Energy drops back down, drums simplify)\n[verse]\n(Chords: F - C - G - Am)\n(Vocal-Perf: Returns to building intensity, slightly more embellished than first time)\n(Inst: Drums, bass, and piano continue; strings are more subdued than in chorus)\n兜兜转转\n朝花夕拾却已迟\n寻寻觅觅\n醉生梦死又一世\n还记得 前生盟誓\n欲言竟无词\n恨对面 不相识\n\n(Transition: Big cymbal crash into final chorus)\n[chorus]\n(Chords: C - G - Am - Em - F - C - F - G)\n(Vocal-Perf: Most powerful delivery; ad-libs with Dizi melody; highest emotional peak)\n(Inst: All elements at full force; Dizi counter-melody is prominent; strings at maximum swell)\n我愿化作 望断天涯\n那一方青石\n篆刻心头 是你的名字\n轮回彩蝶 化茧自缚\n织就春蚕丝\n剪不断 共缠绵\n生生世世\n\n(Transition: Instruments drop out, leaving piano and Dizi)\n[outro]\n(Chords: C - G - Am - F)\n(Vocal-Perf: Final phrases delivered softly, almost a whisper)\n(Inst: Dizi plays final melodic phrase, piano chords fade out; ends on a lingering Guzheng pluck)\n剪不断 共缠绵\n生生世世",
  "song_id": "04_九张机_20260405",
  "_meta": {
    "provider": "google",
    "model": "gemini-2.5-pro",
    "usage": {
      "prompt_tokens": 10192,
      "completion_tokens": 1232,
      "total_tokens": 15373
    },
    "generated_at": "2026-04-05T11:15:56.764023+08:00"
  },
  "_prompt_compressed": {
    "from": 1094,
    "to": 963
  }
}