{
  "prompt": "Genre: Mandopop Ballad, Emotional Duet; BPM: 137; Key: Bb Major; Rhythm: Slow 4/4 time with a half-time feel; steady pop-rock drum beat with kick on 1, snare on 3; flowing 8th-note piano arpeggios foundation.; Instruments: Emotional grand piano leading with block chords and arpeggios; lush orchestral string section for pads and soaring countermelodies; clean electric bass on root notes; modern pop drum kit with reverberant snare.; Vocals: Female duet (younger/brighter tone and mature/warmer tone); clear, storytelling delivery; conversational and emotionally direct; syllabically precise; clean modern processing with reverb.; Mood: Heartfelt, nostalgic, bittersweet; captures the emotional distance and deep love between family members over time, evoking the wanderer (游子) archetype.; Production: Polished, cinematic mix; wide stereo image for strings; Highlight: The dialogue-style duet between two female vocalists representing a mother and daughter.",
  "lyrics": "[intro]\n(Chords: Bb - Gm - Eb - F)\n(Inst: Solo grand piano playing a simple, melancholic melody; establishing the emotional theme.)\n(Mix: Piano centered, soft reverb.)\n(Melody-Contour: Gentle arch, pentatonic feel.)\n\n[verse]\n(Chords: Bb - Gm - Eb - F)\n(Vocal-Perf: Mature female vocal; warm, gentle, storytelling tone; clear enunciation; conversational pace.)\n(Inst: Piano continues with simple chords; soft string pad enters subtly.)\n(Melody-Rhythm: Follows natural speech rhythm, landing on downbeats.)\n(Transition: String volume swells slightly towards the end of the section.)\n我的孩子啊\n我不知道自己做得够好吗\n我是第一次做妈妈\n尽管岁月已吹白我的头发\n送你上学第一天\n要你勇敢我却哭了\n\n[verse 2]\n(Chords: Bb - Gm - Eb - F)\n(Vocal-Perf: Younger female vocal; bright, earnest, slightly breathy; emotional yet controlled.)\n(Inst: Piano remains the core; bass guitar enters with simple root notes.)\n(Mix: Vocals remain centered and intimate.)\n(Transition: A soft cymbal roll leads into the chorus.)\n亲爱的妈妈\n我不知道自己做得够好吗\n我是第一次做女儿\n可也是第一次来做我\n离开家的那天\n车开之后偷偷哭了\n\n[chorus]\n(Chords: Eb - Bb - F - Gm)\n(Vocal-Perf: Both vocals join, sometimes in harmony, sometimes in call-and-response; powerful, open chest-mix on sustained notes.)\n(Inst: Full band enters; drums with a strong, slow backbeat; string section becomes prominent with a soaring countermelody.)\n(Mix: Wide stereo field; cinematic and full; vocals cut through clearly.)\n(Melody-Contour: Wide interval leap on peak emotional words; memorable, anthemic.)\n孩子会穿过大雨去懂人间的道理\n我只能唠叨因为我已帮不上你了\n妈妈会留在童年给我打很多电话\n说院子的花开了我先挂了地铁上\n\n[verse 3]\n(Chords: Bb - Gm - Eb - F)\n(Vocal-Perf: Dialogue continues, alternating lines between mature and young vocal.)\n(Inst: Dynamics drop; drums simplify to just kick and hi-hats, bass and piano provide foundation.)\n(Mix: Returns to a more intimate feel to highlight the conversational lyrics.)\n(Transition: A simple piano fill connects back to the chorus.)\n早上吃饭了吗按时睡觉了吗\n(原谅我只懂这样参与你生活)\n可我都没做得到所以不说话\n(不想对你撒谎啊又怕你难过)\n\n[bridge]\n(Chords: Gm - Eb - Bb - F)\n(Vocal-Perf: Both voices become more reflective, building in intensity.)\n(Inst: Strings build with a powerful crescendo; piano plays strong block chords.)\n(Mix: Begins quietly and swells to a climax, leading into the final chorus.)\n(Melody-Dev: A new, rising melodic line that creates tension and release.)\n有一天你也会成为一个妈妈\n那一天我们会深深地抱吗\n像溪水环游世界\n拥抱回它出生的河流\n\n[chorus]\n(Chords: Bb - Gm - Eb - F)\n(Vocal-Perf: Full power, emotional release from both singers; harmonies are tight and impactful.)\n(Inst: All instruments at maximum energy; soaring strings, powerful drums, driving bass and piano.)\n(Mix: The biggest and widest point of the song; vocals are powerful but never buried.)\n(Highlight: Duet vocals deliver the core message with maximum emotional weight.)\n我希望你被爱着\n我希望你要快乐\n我希望我的双手可以为你挡着风\n我知道爱会争吵\n我知道人会变老\n所以那一句爱你一定要大声地说\n\n[outro]\n(Chords: Eb - F - Bb)\n(Vocal-Perf: Final line delivered softly, tenderly.)\n(Inst: Instruments fade out, leaving only the solo piano playing the introductory melody.)\n(Mix: Gradual fade to silence; lingering piano reverb.)\n(Sound-Design: A soft, final piano chord rings out.)\n有你的地方我就有路回家…回家吧\n",
  "song_id": "04_是妈妈是女儿_20260507",
  "_meta": {
    "provider": "google",
    "model": "gemini-2.5-pro",
    "usage": {
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      "total_tokens": 8019
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    "generated_at": "2026-05-07T15:51:44.793210+08:00"
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}