{
  "prompt": "Genre: Mandopop / R&B Ballad; BPM: 155; Key: C Major; Rhythm: Half-time R&B groove. Sparse kick, clap on 3. Fast, skittering 16th-note hi-hats. Laid-back feel.; Instruments: Grand Piano (Clean, arpeggiated chords). 808-style Sub Bass (Deep, foundational). Programmed Drums (Lo-fi clap, soft kick). Lush String Section (Cinematic swells).; Vocals: Male. Breathy tenor, smooth transitions to falsetto. Intimate, conversational R&B delivery with runs. Clean, upfront with light reverb.; Mood: Looking at an old family photo album late at night, the only light coming from a desk lamp.; Production: High-fidelity, radio-ready polish. Wide stereo field, centered vocals. Smooth highs, warm mids.; Language: Mandarin; Highlight: The sudden, lush entry of the full string section on the downbeat of the first chorus, blooming from a sparse piano-vocal verse.",
  "lyrics": "[verse]\n(Chords: Cmaj7 - G/B - Am7 - Gsus4 - G)\n(Vocal-Perf: Soft, breathy chest voice; Conversational delivery; mezzo-piano)\n(Inst: Sparse arpeggiated grand piano; Vocal-centric)\n(Mix: Intimate, narrow field; Vocals very upfront)\n妳头发的白色不习惯\n我们的颜色不简单\n我喜欢黑你喜欢白\n正正相反\n最害怕的是遗憾\n没把颜色都填满\n没把要说的话说完\n\n[pre-chorus]\n(Chords: Fmaj7 - G - Em7 - Am7)\n(Vocal-Perf: Slight increase in volume; Held notes create anticipation)\n(Inst: Piano becomes more chordal and sustained)\n(Transition: A subtle synth pad swells underneath)\n不想活在一个没有妳蔚蓝的天空\n害怕感受没妳痛爱我的红\n\n[chorus]\n(Chords: Cmaj7 - G/B - Am7 - Fmaj7)\n(Vocal-Perf: Opens up to mezzo-forte; More emotional and sustained; Falsetto highlights)\n(Inst: Lush string section enters; Programmed R&B beat with clap on 3 starts; Sub-bass provides foundation)\n(Mix: Expands to wide stereo; Strings fill the space; Vocals sit powerfully in the center)\n妈妈我还在学习\n珍惜妳无微不至\n还没学会懂事\n令妳安心 还需耐心\n我们性格的距离\n在颜色圈上是个对比\n但偏偏相对\n才难已忘记\n妈妈我还在练习\n跟妳多说些秘密\n我会学会懂事\n令妳安心\n其实我画册里的\n灿烂全因妳的颜色\n我的绿没妳的蓝不行\n\n[verse 2]\n(Chords: Cmaj7 - G/B - Am7 - Fmaj7)\n(Vocal-Perf: Rhythmic, spoken-word delivery; Intimate and reflective tone; Backing ad-libs)\n(Inst: Beat and piano provide a steady backdrop; Strings are more subdued)\n(Mix: Vocals are brought forward again, slightly compressed for clarity)\n(Transition: A slight drop in energy from the full chorus)\n妈妈 我最近也是写歌\n心底话都 写在旋律里\n现在自己住了\n回家少了\n对不起\n这周末晚餐会在家里\n长大的速度\n使很多的事情\n一一变得来不及\n旧相册的自己\n再努力也记不起\n但妳的话我会记在心底\n\n[pre-chorus]\n(Chords: Fmaj7 - G - Em7 - Am7)\n(Vocal-Perf: Sung again, re-establishing the melodic theme)\n(Inst: Strings begin to swell again, rebuilding to the chorus)\n不想活在一个没有妳蔚蓝的天空\n害怕感受没妳痛爱我的红\n\n[chorus]\n(Chords: Cmaj7 - G/B - Am7 - Fmaj7)\n(Vocal-Perf: Most powerful delivery; Ad-libs and vocal layers added; Strong falsetto)\n(Inst: All elements at full force; Strings are very prominent)\n(Mix: Widest and fullest point of the song; Dynamic peak)\n妈妈我还在学习\n珍惜妳无微不至\n还没学会懂事\n令妳安心 还需耐性\n我们性格的距离\n在颜色圈上是个对比\n但偏偏相对\n才是最美丽\n妈妈我还在练习\n跟妳多说些秘密\n我会学会懂事\n令妳安心\n其实我画册里的\n灿烂全因妳的颜色\n我的绿没妳的蓝不行\n\n[outro]\n(Chords: Cmaj7 - G/B - Am7 - Fmaj7 - C)\n(Vocal-Perf: Repetitive, gentle ad-libs; Soft falsetto; Fades out)\n(Inst: Beat drops out, leaving piano and strings; Strings hold long, sustained notes)\n(Mix: Gradual fade out; Reverb tails become more prominent as elements disappear)\n妈妈我还在练习\n还在学习\n还在努力\n不用担心\n其实我画册里的灿烂\n全因妳的颜色\n我的绿没妳的蓝不行",
  "song_id": "02_颜色_20260512",
  "_meta": {
    "provider": "google",
    "model": "gemini-2.5-pro",
    "usage": {
      "prompt_tokens": 10250,
      "completion_tokens": 1245,
      "total_tokens": 14526
    },
    "generated_at": "2026-05-12T15:20:50.303206+08:00"
  }
}