```json
{
  "song_id": "02_Bad Guy_20260422",
  "prompt": "Genre: Minimalist Electropop with Trap influences; BPM: 135; Key: G Major (with heavy blues/minor tonality); Rhythm: driving pocket syncopation created by a sub-heavy kick and a hypnotic, restless synth bass line, with a sharp snap on beats 2 and 4; Instruments: Distorted 808 kick, dry finger snaps, fat Moog-style synth bass, atmospheric background pads, quirky SFX plucks; Vocals: Female, intimate close-mic whisper-singing, conversational and rhythmically precise delivery with prominent vocal fry, layered harmonies on key phrases; Mood: The subtle smirk you hide when you know a secret no one else does, feeling the vibration of a club's sub-bass through the floor; Highlight: The dead-air silence following a single spoken word, immediately shattered by the re-entry of the aggressive, distorted synth bass hook on the downbeat.",
  "title": "冷血甜",
  "lyrics": "[verse]\n(Mix: Minimalist, dry stereo field. Sub-bass is central and dominant. Vocals are hyper-compressed, extremely forward, with all breath and sibilance captured. Reverb is very short and tight.)\n(Inst: Deep sub-kick on 1, dry finger snap on 2 & 4)\n(Vocal-Perf: Breathy, almost spoken whisper-singing. Heavy use of vocal fry. Rhythmically tight delivery.)\n(Chords: G-static)\n(Melody-Contour: Monotonic, narrow range. Anchored on root.)\n(Melody-Rhythm: Phrases land consistently just off the beat, creating a laid-back, conversational feel against the rigid groove.)\n糖纸折了一半塞进口袋\n便利店收银台前没找零\n镜子里那个人眼神很坏\n笑着说无所谓\n\n[pre-chorus]\n(Inst: Fat, distorted synth bass enters with syncopated riff)\n(Vocal-Perf: Maintains whispery quality but with slightly more melodic inflection.)\n(Chords: G-static)\n指甲刮过桌沿留了道白\n没人问我今天怎么这么乖\n我把情绪压扁像一张发票\n冷冰冰装起来\n\n[chorus]\n(Mix: Stereo field widens with layered backing vocals. Bass gains more saturation.)\n(Inst: Full groove established.)\n(Vocal-Perf: Shifts from whisper to a more pitched, but still restrained, sing-song delivery. Layered unison vocals add weight. Ends with a dry, spoken word.)\n(Chords: G-static)\n(Hook-DNA: 1. Rhythmic pattern: Driving syncopated 16th-note synth bass riff. 2. Pitch anchor: Motif circles the root and flat-third, creating a bluesy loop. 3. Repetition: Riff repeats almost identically throughout, becoming a hypnotic anchor.)\n(Melody-Contour: Short, descending phrases with a playground-taunt shape.)\n(Melody-Rhythm: Vocal lines are more rhythmically straightforward, locking in with the backbeat.)\n(Melody-Harmonic-Tension: Vocal melody's persistent use of the flat-third against the G-root bass creates a constant, unresolved blues tension that defines the song's character.)\n所以你说我冷\n冷得很彻底\n冷到你手心里\n捂不热一厘\n我这种体质\n让你睡不着睡\n让你忘不了忘\n让你戒了又戒\n我是那个糖，苦\n\n[verse]\n(Inst: Synth bass drops out, returning to sparse kick-snap pattern.)\n(Vocal-Perf: Returns to intimate, close-mic'd whisper.)\n(Chords: G-static)\n上午九点发出去的消息\n你回了但我没打开来看\n明明很在意却装作随意\n就是这么任性\n\n[pre-chorus]\n(Inst: Synth bass re-enters, building anticipation.)\n(Vocal-Perf: Delivery becomes slightly more pointed and rhythmic.)\n(Chords: G-static)\n朋友说你看起来还不错\n她不知道你哄我哄了多久\n要是翻开我手机里的备忘录\n她大概要皱眉头\n\n[chorus]\n(Mix: Widens further, vocal layers become more prominent.)\n(Inst: Full groove hits with maximum impact.)\n(Vocal-Perf: Same melodic delivery as first chorus, but with more audible ad-libs and layers panned wide.)\n(Chords: G-static)\n(Melody-Harmonic-Tension: The blues tension from the flat-third feels more pronounced and confident in the second iteration.)\n所以你说我冷\n冷得很彻底\n冷到你手心里\n捂不热一厘\n我这种体质\n让你睡不着睡\n让你忘不了忘\n让你戒了又戒\n我是那个糖，苦\n\n[bridge]\n(Mix: Beat and bass drop out completely. Mix becomes spacious and atmospheric, dominated by reverb and delay on processed vocals.)\n(Inst: Hazy synth pad, reversed vocal SFX.)\n(Vocal-Perf: Ethereal, heavily layered, auto-tuned harmonies floating without a rhythmic anchor.)\n(Chords: Ambiance-implied harmony)\n(Melody-Harmonic-Tension: Tension is created by a complete lack of rhythmic and harmonic grounding. The floating vocal harmonies avoid clear resolution, creating a dreamlike suspension before the final section.)\n甜是真的甜，冷也是真的\n\n[outro]\n(Transition: Abrupt tempo change down to half-time. Groove shifts to heavy trap.)\n(Mix: Heavily compressed, aggressive, low-end focused. Hi-hats are bright and crisp.)\n(Inst: Saturated 808 bass, rapid hi-hat rolls, hard-hitting trap snare.)\n(Vocal-Perf: Shifts to spoken, taunting lines with a more aggressive, distorted tone. Ad-libs fill the space.)\n(Chords: Gm)\n你说我笑起来像在算计谁\n我说也许吧，反正不亏\n你留下来不是因为我有多好\n是因为你舍不得那口甜味\n我是那个糖",
  "cover_prompt": "生成一张现代平面设计（Modern graphic design）风格的几何艺术图片作为无字音乐专辑封面。画面的核心是：深暗的石墨黑背景上，一颗被硬朗矢量线条切割成锋利多边形碎面的糖块几何体居于正中，糖块表面的每一个切面以冷银灰、脏粉与哑光黑渐变填充，棱角处透出极细的高光线，整体呈现出"坚硬外壳包裹甜度"的视觉矛盾感；背景散布着极稀疏、极细的平行斜线网格，制造空间纵深。采用纯粹的数字矢量图形（Vector art）媒介，质感极致平滑干净（Smooth and clean textures），绝对没有任何画笔笔触、水彩晕染或写实肌理。通过线条的排列、交错和高对比度色彩，创造出类似欧普艺术（Op Art）的视觉错觉，赋予画面极强的视觉动感（Sense of movement）和空间纵深感（Depth）。强烈要求：这是一张纯数字生成的抽象几何图形作品，绝对不要出现任何具象的自然风光、人物、动物或实体物品！画面必须是无字封面，绝对不要生成任何文字、拼音或英文字母！传达出精准、充满秩序感且极具律动（Groove）的现代视觉效果。",
  "cover": {
    "template_id": 4,
    "template_name": "动态矢量几何流",
    "scene_description": "深暗的石墨黑背景上，一颗被硬朗矢量线条切割成锋利多边形碎面的糖块几何体居于正中，糖块表面的每一个切面以冷银灰、脏粉与哑光黑渐变填充，棱角处透出极细的高光线，整体呈现出"坚硬外壳包裹甜度"的视觉矛盾感；背景散布着极稀疏、极细的平行斜线网格，制造空间纵深"
  }
}
```