{
  "song_id": "04_Sunlight Through the Cedars_20260512",
  "prompt": "Genre: Cinematic Neoclassical / Ambient Piano; BPM: 99; Key: A Major; Rhythm: Flowing piano arpeggios in a loose 4/4, expressive rubato feel, with chordal pushes and suspensions creating a breath-like pulse; Instruments: Grand piano, felt hammers, resonant wood body, sustained pedal hum, vast room reverb; Ocean waves SFX, constant gentle surf; Vocals: Instrumental; Mood: Standing on a cliff overlooking a grey ocean at dawn, feeling the cold wind but also the first warmth of the sun on your face; Production: High-Fidelity, Pristine Radio-Ready Mix with expensive analogue warmth and silky smooth high-end. Vast stereo field, natural reverb tails, SFX blended seamlessly, minimal compression to preserve dynamics.; Structure: Intro - Verse - Chorus - Verse - Interlude - Chorus - Outro; Language: Instrumental; Highlight: The single, rapid upward arpeggio at 0:22, a flash of virtuosity that breaks the calm, like a sudden gust of wind across the water.",
  "title": "Weight of Salt",
  "lyrics": "[intro]\n(Mix: Wide stereo image, ocean SFX panned wide and deep. Piano centered, capturing hammer attack and large room reverb. Prominent low-mid warmth from the wood. Silky high-end. Gentle bus compression for glue.)\n(Inst: Grand Piano, Ocean SFX.)\n(Chords: A - E/G# - F#m - D)\n(Melody-Contour: Simple, contemplative rocking motion.)\n(Melody-Rhythm: Unhurried quarter notes, establishing a calm pulse.)\n\n[verse]\n(Inst: Piano introduces flowing left-hand arpeggios under a clear right-hand melody.)\n(Chords: A - E/G# - F#m - Dsus2 - A)\n(Hook-DNA: Dotted-eighth + sixteenth rhythm on beats 1&2, anchors on the 5th, repeats twice before a longer resolving phrase.)\n(Melody-Contour: Ascending arch shape, peaks on the 6th, resolves stepwise down to the 3rd.)\n(Melody-Rhythm: Main melodic phrases start syncopated before beat 1, creating a gentle forward push.)\n\n[chorus]\n(Mix: Dynamic range expands, reverb tail feels longer, subtle harmonic saturation on peaks.)\n(Inst: Piano RH plays fuller, louder block chords; LH plays powerful octave bass notes.)\n(Chords: D - A/C# - Bm7 - E7sus4 - E7)\n(Hook-DNA: Powerful rhythmic motif of three accented chords on the downbeats, resolves with a descending arpeggio, repeats with variation.)\n(Melody-Harmonic-Tension: Melody holds the 9th (E) over the initial D chord, creating a lush, bright suspension that resolves dramatically on the final E7 chord.)\n\n[verse]\n(Inst: Piano returns to arpeggiated feel, slightly more complex voicings and ornamentation in RH.)\n(Chords: A - E/G# - F#m - Dsus2 - A)\n(Melody-Contour: Repeats the first verse's melodic arc with added grace notes.)\n\n[interlude]\n(Mix: Piano becomes more distant, SFX moves forward in the mix.)\n(Inst: Piano plays contemplative, high-register sparse chords.)\n(Chords: Bm7 - F#m7 - Dmaj7 - A/E)\n(Melody-Harmonic-Tension: Phrases end unresolved, hanging on the 7th or 9th of the chords, creating a questioning, open feeling before the final chorus.)\n\n[chorus]\n(Mix: Widest and loudest point of the piece, everything pushes forward.)\n(Inst: Piano at maximum dynamic intensity, heavy pedal sustain creating a wash of sound.)\n(Chords: D - A/C# - Bm7 - E7sus4 - E7)\n(Melody-Harmonic-Tension: Melody holds the 9th (E) over the initial D chord, creating a lush, bright suspension that resolves dramatically on the final E7 chord.)\n\n[outro]\n(Mix: Gradual fade, piano reverb tail extends for several seconds, ocean SFX becomes the dominant sound.)\n(Inst: Piano plays a final, soft A major chord, lets it ring out into silence.)\n(Chords: Dmaj7 - A)\n(Sound-Design: The final sound is a single wave crashing and receding.)",
  "cover_prompt": "生成一张无字音乐专辑封面。风格严格参照 20 世纪 Color Field Painting（色域绘画），如 Mark Rothko 晚期作品的色层叠压逻辑与 Helen Frankenthaler 的浸染法（soak-stain technique）。画面的核心色彩与情绪：黎明前最后一刻的深蓝灰与破晓时分透出的冷金色相互渗透，下方沉积着厚重的石板蓝，上方悬浮着一层极薄、几近透明的暖琥珀色晕染，仿佛盐分在粗棉布上结晶后留下的痕迹，整体色调压抑而内含光。技法要求：色彩之间的过渡必须模拟颜料在未上浆的粗纹棉布（raw cotton canvas）上自然渗透、晕开的效果，边界柔软但保留颜料浓度不均匀造成的自然深浅变化（pigment pooling）。画面需要呈现真实画布的编织肌理（woven canvas texture），局部可见稀薄处透出的底布纹路。整体色调偏低饱和、微微发灰（muted, desaturated palette），避免荧光感和数字渐变的均匀平滑。绝对禁止：任何文字/字母/拼音、人物或人物轮廓、具象物体、几何图案、锐利边缘、胶片颗粒滤镜、3D渲染质感。",
  "cover": {
    "template_id": 1,
    "template_name": "环境光晕流",
    "scene_description": "黎明前最后一刻的深蓝灰与破晓时分透出的冷金色相互渗透，下方沉积着厚重的石板蓝，上方悬浮着一层极薄、几近透明的暖琥珀色晕染，仿佛盐分在粗棉布上结晶后留下的痕迹，整体色调压抑而内含光"
  },
  "style_direction": "B",
  "style_reference": "Instrumental / Cinematic Neoclassical — no vocal reference applicable; compositional mood analogous to Ólafur Arnalds, Nils Frahm"
}