{
  "song_id": "05_用背脊唱情歌_20260406",
  "prompt": "Genre: Cantopop / R&B Ballad; BPM: 64; Key: B Major; Rhythm: Slow, laid-back 4/4 drum beat (kick, rimshot) with flowing 16th-note feel from arpeggiated piano and acoustic guitar; Instruments: Soft Grand Piano (arpeggios, chords), Fingerpicked Acoustic Guitar (melodic fills), Clean Electric Bass (root notes), Minimalist Drum Kit (gentle backbeat), Lush String Section (pads, emotional swells); Vocals: Male tenor, soft, breathy, and intimate with controlled falsetto, emotive delivery with dynamic swells into a stronger chest voice for choruses; Mood: Melancholic, vulnerable, introspective, heartfelt; Production: Polished, clean studio mix with wide stereo field, vocals upfront, tasteful reverb creating depth and space; Structure: Intro, Verse, Chorus, Verse, Bridge, Chorus, Outro; Language: Cantonese; Highlight: the dynamic shift from intimate breathy verses to lush, string-backed choruses",
  "title": "候鸟归处",
  "lyrics": "[intro]\n(Chords: C#m7 - F#7 - Bmaj7 - Emaj7)\n(Inst: Fingerpicked acoustic guitar melody; Soft piano chords enter)\n(Vocal-Perf: No vocals)\n(Mix: Intimate, narrow stereo field)\n(Sound-Design: Room ambiance)\n\n(Transition: Piano takes over as main harmonic instrument)\n[verse]\n(Chords: C#m7 - F#7 - Bmaj7 - Emaj7)\n(Inst: Piano leads with sparse chords; Acoustic guitar adds delicate fills; Bass enters with simple root notes)\n(Vocal-Perf: Soft, breathy chest voice; Conversational delivery; mezzo-piano)\n(Melody-Contour: Mostly stepwise motion; Descending lines)\n(Mix: Vocals are very dry and upfront; Instruments panned for width)\n搬离 那座住了七年的楼\n窗台 种的薄荷也跟着枯走\n行李 装不下的都留下\n钥匙还给了门锁 就别回头\n\n(Transition: Subtle drum fill with cymbal swell)\n[chorus]\n(Chords: G#m7 - C#m7 - F#7 - Bmaj7 - Emaj7 - C#m7 - F#sus4 - F#7)\n(Inst: Drums enter with a slow backbeat (rimshot on 2 & 4); Lush string section enters with sustained pads; Piano becomes more rhythmic)\n(Vocal-Perf: Stronger chest voice; Increased volume to mezzo-forte; More vibrato; Emotional and sustained notes)\n(Mix: Wider stereo image; Strings fill the background; Vocals have more reverb)\n候鸟不问 飞过哪片天空才算归宿\n只知道翅膀倦了 还是要继续\n风向若改了 就换一个方向去\n从没想过 停在某棵树上 才叫做栖息\n故乡已模糊\n异乡的灯 照不出来时的路\n愿这漂泊 淡成 一片云 无声 散入雾\n\n(Transition: Strings hold and fade slightly, piano melody leads into verse)\n[verse]\n(Chords: C#m7 - F#7 - Bmaj7 - Emaj7)\n(Inst: Arrangement thins out again; Drums continue simple backbeat; Bass is more prominent)\n(Vocal-Perf: Returns to intimate, soft delivery; Gentle falsetto used on some phrases)\n(Mix: Focus returns to the vocal-piano-guitar trio)\n原来 漂泊不是浪漫\n而是 在每座城市假装洒脱\n习惯 用新地址的邮编 填满身份证\n却没有一处 真正落脚\n\n(Transition: Build in intensity with strings swelling and piano becoming more dynamic)\n[bridge]\n(Chords: Emaj7 - F#7 - G#m7 - Bmaj7/D# - Emaj7 - F#7 - Bsus4 - B)\n(Inst: Strings become more prominent with melodic counterpoint; Drums build with tom fills)\n(Vocal-Perf: Builds from restrained to powerful; Sense of desperation; Reaches highest point dynamically)\n(Melody-Contour: Ascending sequence, building tension towards the chorus)\n(Mix: Dynamic swell, growing louder and fuller)\n愿这迁徙 记录着 走过 无数 无名街\n每段告别 都是下一程的开始\n\n(Transition: Percussive hit and momentary pause before final chorus drops)\n[chorus]\n(Chords: G#m7 - C#m7 - F#7 - Bmaj7 - Emaj7 - C#m7 - F#sus4 - F#7)\n(Inst: Fullest arrangement; Strings are soaring; Drums are more powerful with cymbal crashes)\n(Vocal-Perf: Peak emotional delivery; Full chest voice, almost strained; Ad-libs in falsetto)\n(Mix: Widest and loudest point of the song; Everything is present and powerful)\n(Highlight: Vocal performance contrasts intimacy of verses with raw power here, supported by the full string section)\n风向若改了 就换一个方向去\n从没想过 停在某棵树上 才叫做栖息\n故乡已模糊\n异乡的灯 照不出来时的路\n人总要着陆 哪怕无处落脚\n明明 放下的重量 早压成了新歌\n我仍在此刻 不知疲倦 哼着没有名字的歌\n找不到根 只好让风替我 记得我\n\n(Transition: Decrescendo; instruments begin to fade)\n[outro]\n(Chords: C#m7 - F#7 - Bmaj7 - Emaj7 - Bmaj7)\n(Inst: Piano and acoustic guitar play a final, sparse melodic phrase; Strings hold a final chord and fade)\n(Vocal-Perf: No vocals)\n(Structure: Fade out)\n(Mix: Reverb tails become more audible as instruments fade away)",
  "cover": {
    "template_id": 2,
    "template_name": "漂泊旅途",
    "scene_description": "黄昏时分，一只候鸟孤独地飞翔于层层叠叠的云雾之上，远处隐约可见连绵山脉的轮廓，近景是一扇半开的老式木窗，窗台上放着一把沾满灰尘的钥匙，整体色调以暖橙与深蓝的渐变构成，营造出既温柔又苍凉的漂泊感",
    "cover_prompt": "A solitary migratory bird soaring above layered clouds at dusk, distant mountain silhouettes fading into mist, foreground features a weathered wooden windowsill with a single rusted key resting on it, warm amber and deep indigo gradient sky, cinematic film photography aesthetic, soft bokeh, melancholic and ethereal atmosphere, no text, no people, no faces, photorealistic, wide aspect square composition, album cover art style",
    "selection_reason": "候鸟意象与歌曲核心主题「漂泊与无根」高度契合，钥匙细节呼应歌词中搬离与告别的具体场景，暖橙与深蓝的色调对比映射出流浪者内心既温存又孤寂的情绪张力"
  },
  "cover_prompt": "A solitary migratory bird soaring above layered clouds at dusk, distant mountain silhouettes fading into mist, foreground features a weathered wooden windowsill with a single rusted key resting on it, warm amber and deep indigo gradient sky, cinematic film photography aesthetic, soft bokeh, melancholic and ethereal atmosphere, no text, no people, no faces, photorealistic, wide aspect square composition, album cover art style"
}