{
  "prompt": "Genre: Chinese-style R&B, modern syncopated groove with xiao melody; BPM: 74; Key: F#m; Rhythm: Syncopated R&B bounce, delayed snare, laid-back modern groove; Instruments: Layer 1: Breathy xiao (bamboo flute) playing main melodic hook and counter-melodies. Layer 2: Organic acoustic drum kit, round electric bass guitar. Layer 3: Acoustic guitar strumming, swelling orchestral strings; Vocals: Male tenor, clear, high, emotive tone, precise diction, R&B-influenced phrasing; Mood: Imagery of misty Jiangnan landscapes, rain turning to silk threads; emotional archetype of tragic, fated love; Production: Polished pop mix, vocals and xiao upfront with hall reverb, R&B rhythm section as a clean foundation, wide stereo strings; Structure: Intro - Verse - Chorus - Interlude - Verse - Chorus - Outro; Language: Mandarin; Highlight: The melancholic, breathy xiao hook contrasted with the modern R&B vocal and groove.",
  "lyrics": "[intro]\n(Chords: F#m - D - A - E)\n(Inst: Solo xiao plays a breathy, pentatonic hook over a sparse synth pad and gentle string swells.)\n(Motif-Anatomy: Melancholic descending pentatonic phrase, breathy attack, long vibrato tail on final note.)\n(Mix: Xiao is centered, dry, and intimate. Wide reverb on pads.)\n\n[verse]\n(Chords: F#m - D - A - E)\n(Transition: Acoustic drum kit with R&B groove enters. Electric bass and acoustic guitar join.)\n(Vocal-Perf: Gentle chest voice, narrative tone, clear enunciation of each syllable, restrained emotion.)\n(Phrase-Structure: Symmetrical 4-bar phrasing, follows the chord changes closely.)\n(Contour-&-Range: Vocal melody stays within a narrow, comfortable mid-range.)\n风到这里就是粘\n粘住过客的思念\n雨到了这里缠成线\n缠着我们流连人世间\n\n[verse]\n(Chords: F#m - D - A - E)\n(Inst: Xiao plays subtle fills at the end of vocal phrases.)\n(Vocal-Perf: Intensity builds slightly, introduces a touch of breathiness for emotion.)\n(Contour-&-Range: Same range as first verse, but with more dynamic variation.)\n你在身边就是缘\n缘分写在三生石上面\n爱有万分之一甜\n宁愿我就葬在这一点\n\n[chorus]\n(Chords: D - A - E - F#m)\n(Transition: Orchestral strings swell, adding significant emotional weight. Full texture.)\n(Vocal-Perf: Vocal leaps into a higher, more powerful register. Open vowels on sustained notes. Emotion peaks.)\n(Contour-&-Range: Melody features a significant upward leap on the downbeat, creating an anthemic feel.)\n(Highlight: Xiao plays a counter-melody that weaves around the main vocal line.)\n圈圈圆圆圈圈\n天天年年天天 的我\n深深看你的脸\n不懂爱恨情愁煎熬的我们\n都以为相爱就像风云的善变\n相信爱一天 抵过永远\n在这一刹那冻结了时间\n\n[interlude]\n(Chords: F#m - D - A - E)\n(Inst: Xiao takes the lead again, improvising on the main hook melody over the full R&B rhythm section. Vocal ad-libs enter in the second half.)\n(Mix: Xiao is brought forward in the mix, becoming the primary focus.)\n(Sound-Design: A subtle reverse cymbal swell leads into the next section.)\n\n[chorus]\n(Chords: D - A - E - F#m)\n(Transition: Drums hit harder, full dynamic intensity.)\n(Vocal-Perf: Most passionate delivery, ad-libs with falsetto tones. Background harmonies added for thickness.)\n(Contour-&-Range: Vocal pushes to the top of the range, conveying desperation and heartbreak.)\n不懂怎么表现温柔的我们\n还以为殉情只是古老的传言\n离愁能有多痛 痛有多浓\n当梦被埋在江南烟雨中\n心碎了才懂\n\n[outro]\n(Chords: F#m - D - A - E)\n(Inst: Music gradually fades. Rhythm section drops out, leaving only the solo xiao, strings, and a final vocal ad-lib.)\n(Vocal-Perf: Final phrase sung in a soft, breathy falsetto, trailing off.)\n(Mix: Heavy reverb applied to the final xiao note, letting it decay into silence.)",
  "song_id": "02_江南_20260405",
  "_meta": {
    "provider": "google",
    "model": "gemini-2.5-pro",
    "usage": {
      "prompt_tokens": 12025,
      "completion_tokens": 1091,
      "total_tokens": 15441
    },
    "generated_at": "2026-04-05T11:15:59.508294+08:00"
  }
}