```json
{
  "song_id": "03_我期待的不是雪_20260427",
  "prompt": "Genre: Mandopop ballad; BPM: 112; Key: Ab minor; Rhythm: Gentle 4/4 pop rhythm with a simple electronic drum pattern (kick on 1 & 3, soft snap on 2 & 4) and steady 8th-note hi-hats; Instruments: Clean electric piano playing chords and arpeggios, soft sub-bass, minimalist electronic drum kit, and atmospheric synth pads for warmth in the chorus; Vocals: Female; gentle, breathy soprano with an airy, sweet tone; conversational and intimate delivery; minimal vibrato; clear articulation; Mood: Melancholic and sentimental longing (相思), evoking quiet winter solitude and romantic yearning; Production: Clean, polished mix with vocals centered and upfront; intimate soundstage with subtle reverb and delay; balanced and supportive instrumentation; Structure: Intro - Verse - Pre-Chorus - Chorus - Verse - Chorus - Outro; Language: Mandarin; Highlight: the catchy, sentimental chorus hook and its central lyrical theme.",
  "title": "你走之后 灯还亮着",
  "lyrics": "[intro]\n(Chords: Abm - E - B - Gb)\n(Mix: Vocals filtered with delay, sparse electric piano melody)\n(Vocal-Perf: Breathy, whispered delivery, establishing an intimate and melancholic tone)\n(Melody-Dev: A cappella-like vocal hook sets up the main theme immediately)\n那盏灯还亮着\n像你没走一样\n那盏灯还亮着\n我一直没关上\n窗外下不下雨\n我已经分不清是雨还是心慌\n那盏灯还亮着 你却不在了\n\n[verse]\n(Chords: Abm - E - B - Gb)\n(Transition: Filter on vocal opens up, soft sub-bass and a simple kick/snap beat enter)\n(Inst: Electric piano carries the harmony with simple chord voicings)\n(Vocal-Perf: Clear, conversational, storytelling style. Syllable-precise enunciation)\n你的外套还挂在门边\n我没动过怕留不住你的味道远\n洗碗机转了三天\n碗还在里面\n那顿饭没吃完\n剩下一个人的座\n\n[pre-chorus]\n(Chords: E - B - Abm - Gb)\n(Transition: Subtle synth pad swells in)\n(Inst: Beat becomes slightly more active with the addition of quiet 8th-note hi-hats, building gentle momentum)\n(Melody-Contour: Ascending melodic line builds anticipation for the chorus)\n我试着把手机翻到最下面\n找到你说爱我那天\n指尖停在那个对话框前\n不敢按 不敢看\n只是怕 只是怕\n你说的爱 只是当时的算盘\n\n[chorus]\n(Chords: E - B - Abm - Gb)\n(Mix: Full soundscape, pads are more prominent, vocals are layered with subtle harmonies for width)\n(Inst: Beat is solid, piano plays fuller chords, bass is more defined)\n(Melody-Contour: Memorable, singable arching phrases with a peak on the word "冬天")\n(Vocal-Perf: More emotive and sustained than the verse, but retains the airy quality. Clear and direct delivery of the hook)\n那盏灯还亮着\n像你没走一样\n那盏灯还亮着\n我一直没关上\n窗外下不下雨\n我已经分不清是雨还是心慌\n那盏灯还亮着 你却不在了\n\n[verse 2]\n(Chords: Abm - E - B - Gb)\n(Transition: Arrangement thins out, pads recede)\n(Inst: Beat and bass remain, but feel softer, creating dynamic contrast with the chorus)\n(Vocal-Perf: Returns to the intimate, reflective tone of the first verse)\n楼下那家便利店还开着\n我买了你爱喝的那个饮料放下\n收银员问我几杯\n我说两杯再算了\n结了账 一个人\n走回那条你走过的街\n\n[chorus]\n(Chords: E - B - Abm - Gb)\n(Mix: The fullest and most emotionally resonant section. All elements are present and at their peak dynamic level)\n(Inst: A subtle arpeggiated synth melody might be added for texture)\n(Vocal-Perf: Most powerful and open delivery, especially on sustained notes, while maintaining clarity)\n那盏灯还亮着\n像你没走一样\n那盏灯还亮着\n我就是关不上\n爱一个人爱到\n连灯都舍不得按那个开关\n是我太傻 还是放不下\n\n[outro]\n(Chords: Abm - E - B - Gb)\n(Transition: Beat and bass fade out, leaving piano and vocals)\n(Inst: Electric piano plays a simple, resolving arpeggio as it fades)\n(Vocal-Perf: Final line delivered softly, fading into reverb)\n那盏灯 还亮着",
  "cover_prompt": "生成一张极简主义（Minimalist）插画和阴影艺术（Shadow art）风格的艺术图片作为无字音乐专辑封面。画面的核心是一盏暖黄色台灯立在空荡荡的桌边，柔和的光晕晕开在深蓝灰色的夜色背景里，窗玻璃上有细密的雨珠折射出光斑，灯光把台灯和一只空杯子的轮廓投影在墙面上。整个投影区域具有淡橘黄色、带颗粒感的纹理，类似于旧丝网印刷（Screenprint）。背景是深蓝灰色的实色区域，带有微妙的纹理。构图干净、宁静且优雅。强烈要求：这是一张纯粹的、极简主义、治愈系插图，绝对不要出现具体的五官、现代工业物品或3D渲染效果！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！传达出一种宁静、舒适、怀旧且梦幻的艺术气息。",
  "cover": {
    "template_id": 6,
    "template_name": "极简窗影治愈流",
    "scene_description": "一盏暖黄色台灯立在空荡荡的桌边，柔和的光晕晕开在深蓝灰色的夜色背景里，窗玻璃上有细密的雨珠折射出光斑，灯光把台灯和一只空杯子的轮廓投影在墙面上，传递出一个人等待另一个人再也不会回来的温柔悲伤"
  }
}
```