{
  "prompt": "Genre: Mandopop / Cinematic Ballad; BPM: 106; Key: C major; Rhythm: Slow 4/4 ballad feel. Starts with free-time piano arpeggios, builds with a steady, powerful backbeat (kick on 1&3, snare on 2&4) and driving piano chords in the chorus.; Instruments: Piano (delicate arpeggios in verses, powerful block chords in chorus); Lush String Orchestra (sustained pads, soaring counter-melodies); E.Bass (clean, round, foundational); Full Drum Kit (builds from soft brushes to powerful; Vocals: Female. Emotive, powerful lead with a wide dynamic range, from breathy intimacy in verses to a full-throated, belted chest voice with emotional vibrato in the choruses.; Highlight: The downbeat of the final chorus where the full orchestra and rock drums crash in simultaneously under the most powerfully belted vocal line, releasing all the tension from the bridge.",
  "lyrics": "[intro]\n(Chords: C - G/B - Am - G - Fmaj7 - C/E - Dm7 - G)\n(Inst: Solo grand piano playing delicate, spacious arpeggios with heavy reverb.)\n(Mix: Intimate, narrow, piano-focused.)\n\n[verse]\n(Chords: C - G/B - Am - G - Fmaj7 - C/E - Dm7 - G)\n(Vocal-Perf: Soft, breathy, conversational chest voice, very close to the mic.)\n(Inst: Piano continues sparse arpeggios, providing minimal harmonic support.)\n(Mix: Vocal is dry and upfront, creating an intimate feel.)\n像孩子那样 哭着闹着\n像大人那样安静沉稳的\n活得 高亢 低落 高亢 低落\n有个沙漏 在心中荡呀\n\n[pre-chorus]\n(Chords: F - G - Em - Am - F - G)\n(Vocal-Perf: Intensity builds slightly, more sustained notes, a sense of yearning.)\n(Inst: Piano chords become more defined, subtle string pads enter, creating a gentle swell.)\n(Transition: Crescendo in strings leads into the chorus.)\n默许时间让皱纹蔓延了\n对在意的事手也握紧了\n不愿 得过 且过 可无 可有\n不是命运 这是我最深爱的\n\n[chorus]\n(Chords: C - G/B - Am - G - Fmaj7 - C/E - Dm7 - G)\n(Vocal-Perf: Jumps to a powerful, open-throated belted chest voice, dynamic leap to mezzo-forte.)\n(Inst: Lush string section enters with soaring melodic lines, bass guitar provides foundation, soft drums with brushes enter.)\n(Mix: Stereo field widens dramatically.)\n时间啊 来吧\n再重来一次我都会\n没有明天般挥霍着 找到你\n时间啊 走吧\n我依然还是那个她\n没有明天地去爱着\nForever Young\n\n[verse]\n(Chords: C - G/B - Am - G - Fmaj7 - C/E - Dm7 - G)\n(Vocal-Perf: Returns to a softer, narrative tone but with more confidence than the first verse.)\n(Inst: Piano, bass, and light drums maintain a steady, gentle groove.)\n(Mix: Dynamic contrast with the preceding chorus is clear.)\n小婴儿那样 哭着闹着\n我哄她说你该变成信徒安静卧着\n为 爱情 合掌 因为 你会\n垂直活着 水平留恋着\n\n[bridge]\n(Chords: Am - G - C - F - Am - G - C)\n(Vocal-Perf: Dynamics drop, becoming reflective and pensive, building tension towards the end.)\n(Inst: Drums drop out, instrumentation strips back to piano and swelling strings.)\n(Transition: A held string chord and a moment of silence create dramatic anticipation for the final chorus.)\n我也曾让你受过伤\n拥有一切 都还渴望 还寻着\n时间啊 走吧\n我也曾为你去流浪\n我还是这样 我愿意这样\n\n[chorus]\n(Chords: C - G/B - Am - G - Fmaj7 - C/E - Dm7 - G)\n(Vocal-Perf: Full belt, maximum emotional intensity and power, vocal ad-libs in the upper register.)\n(Inst: Full rock drums crash in with heavy cymbals, strings at maximum swell, piano playing powerful block chords and octaves.)\n(Mix: The widest and loudest point of the song, a cinematic wall of sound.)\n怎么爱一个人我都没忘\n二十年后 还是一样轻狂一样不枉\n对吗 你深爱着那样的我对吗\n哪天我离去了 我会告诉他\n亲爱的你该像\n没有明天地唱\n\n[outro]\n(Chords: C - G/B - Am - Fmaj7, repeating and fading)\n(Vocal-Perf: Repetitive, fading ad-libs of \"Forever Young\", shifting between chest and soft falsetto.)\n(Inst: All instruments gradually fade out, leaving just the piano and string pads playing the final chords.)\n(Structure: Gradual fade to silence.)\nForever Young Oh Oh\nForever Young Oh Oh\nForever Young",
  "song_id": "02_Forever Young_20260418",
  "_meta": {
    "provider": "google",
    "model": "gemini-2.5-pro",
    "usage": {
      "prompt_tokens": 13511,
      "completion_tokens": 1339,
      "total_tokens": 17520
    },
    "generated_at": "2026-04-18T16:19:47.921814+08:00"
  },
  "_prompt_compressed": {
    "from": 1340,
    "to": 851
  }
}