{
  "song_id": "03_Wind_20260508",
  "prompt": "Genre: Neo-Soul with 70s R&B and Yacht Rock influences; BPM: 161; Key: A# minor; Rhythm: Relaxed, half-time feel driven by a busy 16th-note hi-hat groove over a tight, syncopated kick/snare pattern. The melodic, walking bassline provides driving pocket syncopation.; Instruments: Dry close-mic'd drums, Round fingerstyle bass, Creamy Rhodes piano, Clean chorus guitar, Deep male choir chant; Vocals: Female, with a smooth, breathy, and soulful timbre, moving between a gentle chest voice and a lighter head voice. Features lush background vocal stacks.; Mood: Sitting on a train watching rain-streaked landscapes blur past, the rhythm of the tracks matching a quiet, internal conversation.; Highlight: The initial, unaccompanied deep male choir chant that establishes a vast, ancient space before the intimate, tight band groove abruptly enters, creating a stark and compelling textural contrast.",
  "title": "Hollow Bone",
  "lyrics": "[intro]\n(Inst: Deep male chant, Dry acoustic drums, Round fingerstyle bass, Creamy Rhodes piano)\n(Mix: Warm, analog-tape feel. Wide stereo image from Rhodes panned left and clean guitar panned right. Bass and kick perfectly centered and punchy. Vocal will be front, center, and relatively dry with a short plate reverb. Prominent mid-range, controlled sub-bass, silky smooth high-end.)\n\n[verse 1]\n(Chords: Bbm - Gb - Ab - Bbm)\n(Vocal-Perf: Intimate, breathy delivery, low in register, close-mic'd feel)\n(Inst: Clean electric guitar enters with subtle arpeggios and chord stabs)\n(Melody-Contour: Predominantly stepwise motion with a descending contour, staying within a narrow range)\n(Melody-Rhythm: Phrases begin on the 'and' of beat 1, creating a relaxed, flowing feel that drifts over the bar line)\nI used to hum a song I couldn't name\nWoke up reaching for a shape of warmth that wasn't there\n\n[verse 2]\n(Chords: Bbm - Gb - Ab - Bbm)\n(Vocal-Perf: Maintains the same intimate delivery, a sense of quiet reflection)\n(Inst: Bass becomes slightly more melodic, connecting the chords with small runs)\n(Melody-Contour: Continues the gentle, descending melodic shape of the first verse)\n(Melody-Rhythm: Slightly more syncopated phrasing, with more space between lyrical lines)\nThe chair still holds the dent where you would lean\nA body memory pressed into the grain\nI trace the edge and feel the whole thing over again\n\n[bridge]\n(Chords: C#maj7 - G# - Bbm)\n(Vocal-Perf: Dynamic intensity builds slightly, moving from breathy to a more supported, clearer tone)\n(Inst: Rhodes piano plays fuller, more sustained chords, creating a harmonic pad)\n(Melody-Harmonic-Tension: Melody floats on the 5th over the C#maj7 (the III chord), creating a bright, suspended feeling that creates anticipation for the tonic resolution in the chorus)\nI'm not broken, I am hollow — there's a difference in the sound\nA cracked thing rattles, hollow things just let the resonance ring out\n\n[chorus 1]\n(Chords: Ebm - Bbm - Ebm - Bbm - Gb - Ab - Bbm)\n(Vocal-Perf: Stronger, full-chest voice on the main phrases. Lush background vocal stacks enter with smooth harmonies)\n(Hook-DNA: Core motif is a syncopated phrase starting on beat 2; melody circles the 5th (F) as its anchor; the motif repeats twice, with the third statement rising a step for variation)\n(Melody-Contour: A distinct ascending leap of a perfect 4th kicks off the main hook, before arching back down)\n(Melody-Rhythm: The main hook lands firmly on beat 2 of each bar, pushing against the backbeat and creating a laid-back but infectious groove)\n(Melody-Harmonic-Tension: The melody holds a sustained 9th over the Ebm (iv chord), creating a rich, soulful tension that resolves gracefully downwards to the root by the end of the phrase)\n(Mix: Stereo image widens. Vocal reverb becomes slightly more noticeable)\nLove me like a hollow bone — something carried the breath through\nEvery note I've ever known was shaped by losing you\nOh, was shaped by losing you\n\n[chorus 2]\n(Chords: Ebm - Bbm - Ebm - Bbm - Gb - Ab - Bbm)\n(Vocal-Perf: Most powerful and emotive delivery. Lead vocal includes small, soulful ad-libs. Background vocals are more prominent)\n(Hook-DNA: Core motif is a syncopated phrase starting on beat 2; melody circles the 5th (F) as its anchor; the motif repeats twice, with the third statement rising a step for variation)\n(Melody-Harmonic-Tension: The melody holds a sustained 9th over the Ebm (iv chord), creating a rich, soulful tension that resolves gracefully downwards to the root by the end of the phrase)\n(Mix: Drums get a touch of parallel compression for extra punch. Mix is at its widest and most dynamic)\nI've memorized the silence where your voice would fill the room\nThirty seconds — that's how long before I still forget you're gone\nLove me like a hollow bone, let the ache become a flute\nEvery note I've ever known still carries you all the way through\n\n[outro]\n(Chords: Bbm - Gb - Ab - Bbm)\n(Vocal-Perf: Fades out with improvised, soulful scatting and melodic ad-libs)\n(Inst: Band vamps on the verse progression. Rhodes takes a final, short melodic solo before a slow fade)\n(Mix: Slow, gradual fade-out over 8 bars, leaving only the reverb tail of the Rhodes at the very end)\nHollow bone\nStill ringing\nHollow bone, let it sing\nI'm still here, carrying everything",
  "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：深沉的午夜靛蓝与褪色的玫瑰棕之间的渐变叠压，中央有一道极窄的暖白色光晕渗出，像骨腔内部透出的微弱共鸣，整体传递出一种被掏空却仍在震颤的内敛悲伤。\n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。\n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": "深沉的午夜靛蓝与褪色的玫瑰棕之间的渐变叠压，中央有一道极窄的暖白色光晕渗出，像骨腔内部透出的微弱共鸣，整体传递出一种被掏空却仍在震颤的内敛悲伤。"
  },
  "style_direction": "B",
  "style_reference": "Billie Eilish, Lorde"
}