{
  "song_id": "01_When We Wish Upon A Star_20260508",
  "prompt": "Genre: Modern Classical, Neo-Romantic Solo Piano; BPM: 136; Key: C Major; Rhythm: Expressive, free-flowing rubato; rhythm defined by cascading arpeggios and lyrical, non-metronomic melodic phrasing, accelerating and decelerating for emotional emphasis; Instruments: Grand piano; close-mic'd, capturing felt hammer attack, string resonance, and damper pedal noise; recorded in a reverberant concert hall; Vocals: Instrumental, no vocals; Mood: The feeling of reading an old, heartfelt letter by a window on a rainy afternoon, dust motes dancing in the dim light; Production: High-Fidelity, Pristine Radio-Ready Mix with expensive analogue warmth and silky smooth high-end; wide stereo image of the piano; natural hall reverb; minimal compression to preserve full dynamic range; Highlight: The explosive, dissonant ascending arpeggio in the bridge, a blur of notes resolving unexpectedly into a powerful, resonant tonic chord, creating a moment of pure catharsis.",
  "title": "Pressure Marks",
  "lyrics": "[intro]\n(Mix: Wide stereo piano image, prominent natural hall reverb with long tail. Focus on realism: felt hammer attack, damper pedal sounds, and sympathetic string resonance are audible. Minimal transparent compression to control peaks without sacrificing dynamics.)\n(Inst: Grand piano, right hand plays a delicate, questioning melody in the upper-middle register. Left hand provides sparse, arpeggiated chords.)\n(Hook-DNA: A simple 3-note motif (G-A-E); repeats twice with slight rhythmic variation, the second time resolving down to the 3rd of the tonic chord.)\n(Melody-Contour: A gentle arch, ascending from 5 to 6 then descending to 3.)\n(Chords: Cmaj7 - G/B - Am7 - Gsus4)\n\n[verse]\n(Inst: Piano melody becomes more lyrical and continuous, with longer phrases. Left hand transitions to flowing sixteenth-note arpeggios, covering a wider range.)\n(Vocal-Perf: Instrumental melody acts as vocal, phrased with breath-like pauses between longer melodic statements, building intensity.)\n(Melody-Rhythm: Phrases begin on the 'and' of beat 4, creating a gentle push into each new bar. Sustained notes are held over the bar line.)\n(Melody-Contour: A long, stepwise ascending line that builds tension over two phrases.)\n(Chords: Fmaj7 - C/E - Dm7 - Am7 - Gsus4 - G)\nThe hallway holds the shape of where you stood\nYour absence has a posture I still read\nA dent pressed into plaster by the door\nWhere your shoulder leaned each time you left for good\nI trace it like a sentence that won't end\nAnd wonder what the wall remembers too\n\n[chorus]\n(Inst: Piano dynamics swell to forte. Right hand plays the main theme with fuller, octave-reinforced chords. Left hand plays powerful, resonant bass notes and full chords. Heavy use of the sustain pedal to create a lush wash of sound.)\n(Mix: The overall level and perceived room size increase. Reverb tail is more pronounced.)\n(Hook-DNA: A broad, powerful melodic statement; rhythm uses whole notes for two bars for grandeur, followed by a cascading sixteenth-note run; motif anchors on the high G (the 5th); repeats once with fuller left-hand chord voicings.)\n(Melody-Harmonic-Tension: The melodic peak lands on the 9th (D) over the tonic Cmaj7 chord, held for two full beats, creating a bright, beautiful tension before resolving downwards.)\n(Chords: C - G/B - Am - Am/G - Fmaj7 - C/E - Dm7 - Gsus4 - C)\nThese are the pressure marks you left on me\nNot wounds — just weight pressed into who I am\nI cannot smooth the surface back to plain\nBecause the indentation is the proof\nThat something real once bore down here and held\nAnd loving you was gravity, not grace\n\n[bridge]\n(Inst: A dramatic shift in character. The piece becomes turbulent and passionate. Fast, virtuosic runs in the right hand over agitated, low-register chords in the left.)\n(Melody-Harmonic-Tension: Modulates to the relative minor (A minor). The melody insistently uses chromatic passing tones and centers around the tense tritone interval against the dominant chord, creating a feeling of desperate searching before resolving via a massive arpeggio back to G7.)\n(Chords: Am - E/G# - Gdim7 - F#m7b5 - Dm/F - E7sus4 - E7 - G7)\nI tried to replaster over every place\nMix the compound smooth, apply the coat\nBut memory is structural, not surface\nThe settling cracks keep finding the same seam\nI have rebuilt the room and still the wall\nSpeaks your geometry back into the air\n\n[verse 2]\n(Inst: After the bridge's storm, the dynamic drops to piano. The melody is a quiet, contemplative variation of the first verse theme, played an octave higher, sounding more fragile. Left hand plays sparse, bell-like chords.)\n(Chords: Fmaj7 - C/E - Dm7 - Gsus4 - G)\nThe afternoon has thinned to its last hour\nDust lifts through the window's weakening beam\nI press my palm flat where the plaster breathes\nAnd you are not a wound — you are a seam\n\n[chorus 2]\n(Inst: The final, grandest statement of the theme, played fortissimo. Right hand plays the melody in thick octaves. Left hand plays huge, spread-out arpeggios from the lowest register to the middle. The sustain pedal is fully engaged.)\n(Mix: The loudest point of the piece. The mix feels huge and immersive.)\n(Hook-DNA: The same theme as the first chorus, but the final cascading run is extended and leads to a higher climactic note.)\n(Melody-Harmonic-Tension: The same melodic tension on the 9th occurs, but this time the resolution is delayed by an extra bar of cascading arpeggios, heightening the eventual cathartic release.)\n(Chords: C - G/B - Am - Am/G - Fmaj7 - C/E - Dm7 - Gsus4 - C)\nThese are the pressure marks you left on me\nNot wounds — just weight pressed into who I am\nI cannot smooth the surface back to plain\nBecause the indentation is the proof\nThat something real once bore down here and held\nAnd loving you was gravity, not grace\n\n[outro]\n(Inst: A long ritardando (slowing down). Fragments of the introductory motif are played very quietly (pianissimo), with long pauses between them. The final chord is a soft, high-register Cmaj7, held until it fades completely into the reverb.)\n(Mix: The direct sound of the piano fades, leaving only the long, lush hall reverb tail for the final seconds.)\n(Chords: Fmaj7 - C/E - Dm7 - Cmaj9)\nThe wall holds what the room refuses to forget\nAnd I am made of everything that pressed",
  "cover_prompt": "生成一张无字音乐专辑封面。风格参照日本\"もの派\"（Mono-ha）的物质感与李禹焕（Lee Ufan）绘画中\"留白与一笔\"的克制美学，结合湿拓画（Ebru / paper marbling）的有机纹理。画面核心：一片巨大的灰白色手工纸平面，近乎空白，纸张表面带有可见的棉纤维纹路与轻微的水渍晕染痕迹；纸面偏左下方有一处浅浅的凹陷压痕，像是某个沉重的物体曾长久搁置于此后被移走，凹陷边缘有极轻微的磨损与纤维压扁的质感；整个压痕区域用极淡的铅灰色阴影渲染，与周围空白的微妙对比构成画面唯一的主体。背景从暖灰色向冷灰白色极缓过渡，如同午后阳光从厚云层后退去时房间里墙壁的颜色。\n技法要求：几何图形的边缘必须是颜料在湿润纸面上自然扩散形成的（ink bleeding on wet paper），而非数字绘制的精准轮廓。背景需要呈现真实手工纸的纤维质感（visible paper fibers, deckled edges texture），可以带有轻微的水渍痕迹（watermark stains）和纸张泛黄的老化感。构图极度克制，大面积留白，主体偏离中心（off-center composition）。整体像一张被扫描的实体版画作品（scanned fine art print），而非数字生成图像。\n绝对禁止：任何文字/字母/拼音、人物或人物轮廓、复杂场景、风景照片感、3D渲染、塑料质感的光泽。",
  "cover": {
    "template_id": 2,
    "template_name": "几何光影艺术流",
    "scene_description": "一片巨大的灰白色手工纸平面，近乎空白，纸张表面带有可见的棉纤维纹路与轻微的水渍晕染痕迹；纸面偏左下方有一处浅浅的凹陷压痕，像是某个沉重的物体曾长久搁置于此后被移走，凹陷边缘有极轻微的磨损与纤维压扁的质感；整个压痕区域用极淡的铅灰色阴影渲染，与周围空白形成微妙对比。背景从暖灰色向冷灰白色极缓过渡，如同午后阳光从厚云层后退去时房间里墙壁的颜色。"
  },
  "style_direction": "B",
  "style_reference": "Billie Eilish, Lorde"
}