{
  "song_id": "04_芽 glow_20260406",
  "prompt": "Genre: Mandopop / Electronic Ballad; BPM: 132; Key: C# Major; Rhythm: Half-time electronic drum beat with a deep kick on 1 & 3, layered clap/snare on 2 & 4, and constant, crisp 16th-note hi-hats providing a modern pulse; Instruments: Grand Piano (arpeggios/chords), deep sub-bass, atmospheric synth pads, subtle synthesized strings, and a clean electronic drum kit; Vocals: Female, with a clear, breathy, and gentle timbre, using a mix of chest and head voice for an emotional, intimate delivery, with light reverb and delay; Mood: Melancholic, dreamy, romantic, and introspective; Production: Clean, spacious, and modern mix with wide stereo pads and upfront vocals. Dynamic build from sparse verses to a fuller chorus; Structure: Intro, Verse, Pre-Chorus, Chorus, Bridge, Chorus, Outro; Language: Mandarin; Highlight: The melancholic, arpeggiated grand piano melody that forms the song's emotional core.",
  "title": "候鸟",
  "lyrics": "[intro]\n(Chords: F#maj7 - C#maj7 - G# - A#m7)\n(Inst: Arpeggiated grand piano motif; Light atmospheric pad)\n(Mix: Centered piano; Wide reverb space)\n(Vocal-Perf: No vocals)\n(Hook-DNA: The core piano arpeggio establishes the melancholic mood)\n\n[verse]\n(Chords: F#maj7 - C#maj7 - G# - A#m7)\n(Vocal-Perf: Gentle chest voice; Breathy delivery; Mezzo-piano)\n(Inst: Piano continues arpeggios; Minimal half-time beat enters with soft kick and 16th-note hi-hats; Sub bass holds root notes)\n(Melody-Contour: Mostly stepwise; Conversational rhythm)\n(Transition: Subtle synth riser)\n收拾好行李箱\n候鸟要开始迁徙\n玻璃橱窗里\n谁还在和谁告别\n\n[pre-chorus]\n(Chords: F#maj7 - G#sus4 - G# - C#maj7)\n(Vocal-Perf: Melody ascends; Slight increase in volume and emotional intensity)\n(Inst: Snare/clap on 2 & 4 enters; Pad swells slightly)\n(Structure: Builds anticipation for the chorus)\n我把你的名字折叠\n压进行李最底层\n盖上盖\n等飞行模式彻底切断\n地面的引力\n才敢呼吸\n\n[chorus]\n(Chords: F#maj7 - C#maj7 - G# - A#m7)\n(Vocal-Perf: Mezzo-forte; Layered vocal harmonies; Emotional release)\n(Inst: Piano plays fuller block chords; Wide atmospheric pads and subtle strings enter; Full electronic beat)\n(Mix: Vocals upfront; Wide stereo image)\n(Melody-Harmony: Hook melody emphasizes chord tones, reflecting the piano arpeggio)\n(Transition: Cymbal swell and brief pause)\n飞过多少个城市\n才算真正地放弃\n候鸟不问终点地\n只顾扑向陌生季\n离开你之前我们都是\n天空的飞鱼\n你信吗\n落落的候鸟啊\n迁徙只为了暖的风沙\n\n[bridge]\n(Chords: D#m7 - G# - C#maj7 - A#m7)\n(Vocal-Perf: Reflective and slightly softer; Introspective tone)\n(Inst: Beat simplifies to kick and hats; Piano plays sustained chords; Pads become more prominent)\n(Structure: Dynamic dip before final climax)\n(Transition: Swelling pads and vocal reverb tail lead into chorus)\n降落在哪片屋檐\n都只是短暂的借宿\n羽毛落进河面\n才明白轻盈是负担\n没有归处以后我们都是\n自由的迷途\n你懂吗\n\n[chorus]\n(Chords: F#maj7 - C#maj7 - G# - A#m7)\n(Vocal-Perf: Fullest dynamic; Emotional ad-libs in the background; Powerful belted notes)\n(Inst: All elements present; String layer more audible; Driving energy)\n(Mix: Widest and loudest point of the song)\n落落的候鸟啊\n就这样飞过每个冬夏\n从此这片天空\n再没有什么能绊下\n多么潇洒\n落落的候鸟啊\n迁徙只为了暖的风沙\n\n[outro]\n(Chords: F#maj7 - C#maj7)\n(Vocal-Perf: Fading emotional ad-lib)\n(Inst: Music deconstructs to just the piano arpeggio and a sustained pad)\n(Mix: Gradual fade out; Long reverb tail on the final piano chord)\n(Structure: Fade out)",
  "cover": {
    "template_id": 2,
    "template_name": "孤独旅途",
    "scene_description": "候鸟在暮色中掠过连绵城市上空，玻璃幕墙映出橙红余晖，一羽白色羽毛缓缓坠落河面，画面静谧而忧郁",
    "cover_prompt": "A lone white bird silhouetted against a vast amber and violet dusk sky, soaring high above a blurred cityscape with glimmering glass towers below. A single white feather drifts downward toward a still river reflecting the last light of sunset. Cinematic wide-angle composition, melancholic and dreamlike atmosphere, soft bokeh city lights, muted warm tones with deep indigo shadows, no text, no people, photorealistic digital art style",
    "selection_reason": "候鸟迁徙与孤独旅途的核心意象，以暮色城市为背景强化离别与漂泊的情绪，与原曲电子抒情的忧郁气质高度契合"
  },
  "cover_prompt": "A lone white bird silhouetted against a vast amber and violet dusk sky, soaring high above a blurred cityscape with glimmering glass towers below. A single white feather drifts downward toward a still river reflecting the last light of sunset. Cinematic wide-angle composition, melancholic and dreamlike atmosphere, soft bokeh city lights, muted warm tones with deep indigo shadows, no text, no people, photorealistic digital art style"
}