{
  "prompt": "Genre: Chinese-style Pop Ballad, grand orchestral strings with modern pop-rock drum groove; BPM: 78; Key: A minor; Rhythm: Pop Ballad Fusion: standard 4/4 pop-rock drum beat (kick on 1 & 3, snare on 2 & 4), simple root-note bassline, creating a powerful, driving yet stately ballad feel; Instruments: Classical Melodic Core: Grand orchestral string section (violins, cellos) playing soaring melodic lines. Modern Rhythm Foundation: Live acoustic drum kit with big reverb, clean electric bass guitar. Harmonic Glue: Grand piano arpeggios, distorted electric guitar for power chords; Vocals: Female, clear female soprano, ancient-style tone, powerful chest voice transitioning to soaring head voice in chorus, precise diction, emotionally charged yet poised; Highlight: The powerful, soaring female vocal in the chorus, layered over a grand orchestral arrangement and a driving pop-rock rhythm section.",
  "lyrics": "[intro]\n(Chords: Am - F - C - G) (Inst: Grand piano arpeggios; sweeping orchestral strings enter) (Mix: Cinematic, spacious, establishing melancholic mood) (Motif-Anatomy: Piano introduces a simple, memorable pentatonic melody)\n\n[verse]\n(Chords: Am - G - C - F) (Vocal-Perf: Clear chest voice; Poetic recitation tone; emotionally restrained storytelling) (Inst: Vocals enter over piano and strings; light shaker percussion) (Phrase-Structure: Symmetrical 4-bar AABB phrasing)\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(Transition: Cymbal swell and bass entry)\n\n[pre-chorus]\n(Chords: Dm - Am - E - Am) (Vocal-Perf: Building intensity; slight increase in volume) (Inst: Full acoustic drum kit and electric bass enter; steady pop-rock groove) (Structure: Dynamic build-up into chorus)\n织一段 锦绣纹饰\n并连理双枝\n难寄托 这相思\n\n[chorus]\n(Chords: C - G - Am - Em - F - C - F - G) (Vocal-Perf: Soaring head voice on peak notes; powerful and emotionally open; natural vibrato on sustained endings) (Inst: Full band with distorted electric guitar power chords; orchestral strings play soaring counter-melody) (Contour-&-Range: Upward 5th leap into high register) (Mix: Peak energy; wide stereo field)\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(Transition: Guitar holds final note with feedback before dropping out)\n\n[interlude]\n(Chords: C - G - Am - Em - F - C - F - G) (Inst: Expressive electric guitar solo takes the melody; plays with vibrato and bends over the full band arrangement) (Structure: Instrumental emotional peak)\n\n[verse]\n(Chords: Am - G - C - F) (Vocal-Perf: More intense, yearning delivery) (Inst: Rhythm section continues, piano more prominent)\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(Transition: Strings swell to lift into final chorus)\n\n[chorus]\n(Chords: C - G - Am - Em - F - C - F - G) (Vocal-Perf: Maximum emotional intensity; final soaring delivery with ad-libs) (Inst: All elements at full power, heavy cymbal crashes) (Mix: Grand, cinematic, all-encompassing sound)\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[outro]\n(Chords: F - C - G - Am) (Inst: Music fades out with piano playing the main motif and strings holding a final chord) (Mix: Gradual decrescendo; sense of unresolved longing) (Sound-Design: Final piano note with long reverb tail)",
  "song_id": "02_九张机_20260404",
  "_meta": {
    "provider": "google",
    "model": "gemini-2.5-pro",
    "usage": {
      "prompt_tokens": 10192,
      "completion_tokens": 1059,
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    },
    "generated_at": "2026-04-04T23:38:49.912406+08:00"
  },
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}