{
  "prompt": "Genre: Mandopop / R&B; BPM: 68; Key: C Major; Chords: vi-IV-I-V (Am-F-C-G) in chorus, simpler in verse; Rhythm: Slow ballad tempo with a modern trap-influenced beat; syncopated 808 kick, sharp snare on 3, and fast, skittering 16th/32nd-note hi-hats; Instruments: Clean acoustic piano (chords/arpeggios), lush stereo synth pads, deep 808-style sub-bass, reverbed snare, subtle synthesized strings in chorus; Vocals: Male high tenor; breathy, emotional timbre; frequent use of falsetto for emphasis; polished with heavy hall reverb, delay, and layered harmonies; Mood: Melancholic, heartbroken, longing, reflective, with an epic and dramatic chorus; Production: Polished, wide stereo mix with powerful, centered low-end; vocals are forward and drenched in atmospheric effects, creating a spacious feel; Structure: Verse - Pre-Chorus - Chorus - Post-Chorus - Verse - Bridge - Chorus - Outro; Language: Mandarin; Highlight: The fusion of a sentimental Mandopop ballad melody and harmony with modern, skittering R&B/trap drum programming.",
  "title": "褪色",
  "lyrics": "[chorus]\n(Chords: Am - F - C - G)\n(Mix: Wide, powerful low-end, vocal forward)\n(Inst: Driving piano chords, lush pads, 808 kick, sharp snare, fast 16th-note hi-hats, background string swells)\n(Vocal-Perf: Strong, emotional high-tenor chest voice, breathy quality, layered harmonies)\n(Melody-Contour: Soaring, anthemic, ascending lines)\n你走后每面墙都空得发慌\n穿堂风经过时总模仿你的声响\n我蜷在地板上抱膝数完了整夜的月光\n才肯承认失去你的房间大得像一片汪洋\n\n(Transition: All instruments cut except for a sustained, fading piano chord and pad. Abrupt energy drop.)\n\n[outro]\n(Chords: F - C)\n(Mix: Minimal, extremely spacious, heavy reverb)\n(Inst: Sparse high-register piano arpeggios, shimmering synth pad, no percussion)\n(Vocal-Perf: Soft, breathy, whispered falsetto, delicate, long reverb tails)\n(Melody-Contour: Short, descending, unresolved fragments)\n(Sound-Design: Dominant large hall reverb creating vast empty space)\n都散场\n又何妨",
  "cover": {
    "template_id": 1,
    "template_name": "复古空旷风景流",
    "scene_description": "深冬凌晨时分一片被厚雪完全覆盖的空旷平原，地面上只有一排被风雪逐渐掩埋、即将消失的脚印延伸向灰白色天际线尽头的虚无。天空是沉闷压抑的铅白色，没有一丝光亮的缝隙，整个世界沉浸在一种被彻底遗忘的、极度安静的寒冷之中。",
    "cover_prompt": "生成一张拍立得（Polaroid）风格的无字版音乐专辑封面。画面描绘的是：深冬凌晨时分一片被厚雪完全覆盖的空旷平原，地面上只有一排被风雪逐渐掩埋、即将消失的脚印延伸向灰白色天际线尽头的虚无。天空是沉闷压抑的铅白色，没有一丝光亮的缝隙，整个世界沉浸在一种被彻底遗忘的、极度安静的寒冷之中。整体画面必须呈现真实拍立得相片的质感：略微过曝的柔和光线、轻微偏色的复古色调、自然的暗角和柔焦边缘、细腻的胶片颗粒感。色彩是褪色、怀旧的暖色调，仿佛一张被遗忘在抽屉里多年的即时成像照片。强烈要求：画面必须是纯粹的风景，绝对不要出现任何人物、人影、手或脸！绝对不要生成任何文字、字母、歌名或水印！保持空灵、孤独和冥想的氛围。",
    "selection_reason": "歌曲核心情绪是失去后面对巨大空虚的孤独感与心碎感，68BPM的慢速R&B配合宏大副歌营造出苍茫辽阔的悲伤氛围，与模板一的空旷风景意象高度契合——用无垠雪原隐喻失去对方后内心被掏空的旷野感。"
  }
}