{
  "song_id": "05_青花瓷_20260328",
  "prompt": "Genre: Pop Ballad + Chinese-style (国风); BPM: 95; Key: C Major (Pentatonic); Rhythm: Gentle, flowing melodic lines over a subtle, steady modern beat; Instruments: Guzheng (clear, warm, melodic fills/arpeggios), acoustic piano (harmonic support), strings (pads, swells), light modern drums (subtle beat); Vocals: Female, clear, bright, slightly breathy, poised, gentle legato, precise diction, minimal vibrato, gentle hall reverb; Mood: Enduring loyal devotion against trials, evoking ancient walls under moonlight; Production: Vocals centered with gentle hall reverb, guzheng upfront/dry, modern elements support from behind; Structure: Intro, Verse 1, Pre-Chorus, Chorus 1, Chorus 2, Outro; Language: Mandarin Chinese; Highlight: Poised female vocal and prominent guzheng blending with modern ballad arrangement.",
  "title": "城墙月",
  "lyrics": "[intro]\n(Chords: Cmaj7 - G/B - Am7 - Em7 - Fmaj7 - C/E - Dm7 - Gsus4)\n(Motif-Anatomy: Ascending/descending pentatonic scales, gentle arpeggios on guzheng establishing main harmonic movement.)\n(Phrase-Structure: Free-flowing guzheng melody, setting a contemplative mood.)\n(Contour-&-Range: Mostly mid-range, gentle melodic movement.)\n(Vocal-Perf: N/A)\n(Mix: Guzheng prominent and dry, subtle strings and piano pads behind.)\n(Inst: Guzheng solo with soft, sustained strings and ambient piano.)\n(Transition: Guzheng fades slightly, piano chord sustains, subtle drum machine entry.)\n\n[verse]\n(Chords: Cmaj7 - G/B - Am7 - Em7 - Fmaj7 - C/E - Dm7 - Gsus4)\n(Motif-Anatomy: Syllabic delivery, short melodic phrases emphasizing the root and 5th of chords.)\n(Phrase-Structure: 4-bar phrases, question-answer feel, gentle melodic descent at phrase end.)\n(Contour-&-Range: Narrow range, comfortable mid-register, primarily pentatonic.)\n(Vocal-Perf: Clear, delicate, storytelling tone, precise enunciation, soft dynamic.)\n(Mix: Vocals centered, clear with light reverb; guzheng provides counter-melodies and fills.)\n(Inst: Female vocal, guzheng, piano, soft strings, very light modern drum beat.)\n烽火照彻关山路漫漫\n雁声落尽霜天寒\n笺上墨迹犹未干\n誓言深种黄土间\n\n(Transition: Piano sustains, strings swell slightly, drums become a bit more present.)\n(Sound-Design: Subtle rise in ambient synth pad.)\n\n[pre-chorus]\n(Chords: Am7 - Em7 - Fmaj7 - C/E - Dm7 - Gsus4 - Cmaj7)\n(Motif-Anatomy: Longer sustained notes, slight melodic ascent, building tension towards chorus.)\n(Phrase-Structure: Two-bar melodic ideas, repetition with slight variation, leading naturally.)\n(Contour-&-Range: Expands slightly in range, reaching higher notes than verse, still within a comfortable tessitura.)\n(Vocal-Perf: Slightly increased intensity, maintains poetic clarity, gentle vibrato on sustained notes.)\n(Mix: Vocals remain central, strings become fuller, guzheng adds harmonic flourishes.)\n(Inst: Female vocal, fuller strings, piano, guzheng, light drums.)\n月悬古城垛\n清辉洒琴弦\n千里风沙迷故道\n归途一念已定乾\n\n(Transition: Stronger cymbal crash, strings swell significantly, drums become more defined.)\n(Sound-Design: Orchestral hit-like synth sound accompanies the transition to the main chorus.)\n\n[chorus]\n(Chords: Cmaj7 - G/B - Am7 - Em7 - Fmaj7 - C/E - Dm7 - Gsus4)\n(Motif-Anatomy: Memorable, soaring pentatonic melody, strong rhythmic drive.)\n(Phrase-Structure: Emphatic 4-bar phrases, clear vocal lead, call-and-response with guzheng.)\n(Contour-&-Range: Widest vocal range, often a leap up to the 5th or octave, full chest voice with bright head voice blend.)\n(Vocal-Perf: Full, expressive, slightly more powerful but still poised, clear projection, emphasizes emotional core.)\n(Mix: Vocals upfront and powerful, full orchestral strings, prominent guzheng, driving but controlled drums.)\n(Inst: Female vocal, prominent guzheng melody, lush strings, piano chords, steady modern drums.)\n此情不随岁月老\n山河再乱我不倒\n刀光剑影又如何\n只候君归山水间\n\n(Transition: Drums lighten slightly, guzheng takes a brief melodic lead.)\n(Sound-Design: Short, lyrical guzheng fill.)\n\n[chorus]\n(Chords: Cmaj7 - G/B - Am7 - Em7 - Fmaj7 - C/E - Dm7 - Gsus4)\n(Motif-Anatomy: Similar to previous chorus, but with slight melodic embellishment or emphasis.)\n(Phrase-Structure: Same strong 4-bar phrasing as Chorus 1, reinforcing the main theme.)\n(Contour-&-Range: Maintains high energy and range, strong projection.)\n(Vocal-Perf: Confident and emotionally resonant, consistent with previous chorus, maybe a slight increase in dynamics.)\n(Mix: Full, rich mix, all elements present and balanced, vocals commanding.)\n(Inst: Female vocal, guzheng, strings, piano, drums.)\n此心不因霜雪消\n岁岁候春花自开\n纵使天涯路迢迢\n念君名字度长宵\n\n(Transition: Music begins to gently slow down, strings fade, guzheng becomes more exposed.)\n(Sound-Design: Reverb tail from the chorus, instruments slowly recede.)\n\n[outro]\n(Chords: Fmaj7 - C/E - Dm7 - Cmaj7)\n(Motif-Anatomy: Slow, descending guzheng arpeggios, echoing previous melodic fragments.)\n(Phrase-Structure: Loose, lingering melodic phrases, dissolving into silence.)\n(Contour-&-Range: Gradually descends to a low, contemplative register.)\n(Vocal-Perf: N/A)\n(Mix: Guzheng very prominent, becoming sparser, distant piano and strings.)\n(Inst: Guzheng solo, slowly fading with subtle piano and string washes.)",
  "cover_prompt": "生成一张极简主义的抽象环境光晕（Ambient Aura）图片作为无字音乐专辑封面。画面的核心色彩组合与情绪倾向是：冷月银蓝与烽烟暖金之间的深邃对话，银灰城垛的轮廓化为流动的色彩意象，月光如绸缎般铺展，远处是隐约的琥珀与玉白交融，整体散发出忠贞守候、古城月夜的悠远意境。画面完全由纯粹的色彩构成，采用极度的柔焦（Soft focus）和重度模糊效果（Blurred effect），使得不同颜色之间产生极其平滑、如丝绸般的无缝过渡。整体质感极致平滑细腻（Smooth texture），没有任何杂质。强烈要求：这是一张彻底抽象的现代色彩场（Color Field）作品，绝对不要出现任何具体的物体、几何图案或锐利的边缘！不需要任何胶片颗粒感！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，不要生成人物轮廓！传达出一种极其平静、舒缓、现代且充满呼吸感的氛围。",
  "cover": {
    "template_id": 1,
    "template_name": "模板1",
    "scene_description": "冷月银蓝与烽烟暖金交织，月光如丝绸般流淌，琥珀与玉白在远景融合，呈现古城夜月下守候千年的忠贞意境"
  }
}