{
  "song_id": "02_Calm Down_20260507",
  "prompt": "Genre: Afropop/Afro-fusion; BPM: 107; Key: B major; Rhythm: Mid-tempo, syncopated Afrobeats groove with a relaxed, shuffling feel, kick on 1 and the 'and' of 2, layered with light percussion; Instruments: DI'd electric guitar (muted plucks), sub-heavy synth bass (round sine), electronic drums (punchy 808 kick), lush analogue synth pads (filter sweeps), bell-like synth pluck (soft attack); Vocals: Male and Female duet. Male tenor is smooth, breathy, rhythmically precise. Female alto is intimate close-mic, airy, and controlled; Mood: The warm, humid air of a rooftop party at dusk, city lights blurring below, the low throb of the music felt more than heard; Highlight: The moment the female vocal enters for the first time, her breathy, close-mic'd texture cutting through the mix and creating a sudden, intimate shift in perspective.",
  "title": "Sugarcane Rush",
  "lyrics": "[intro]\n(Mix: High-Fidelity, Pristine Radio-Ready Mix. Prominent sub-bass, clean mids, silky controlled highs. Wide stereo image for percussion and effects. Vocals sit upfront and present. Light, transparent bus compression for cohesion. Warm plate reverb and stereo delay sends.)\n(Inst: Clean electric guitar playing a simple, palm-muted arpeggio. Warm, swelling synth pad.)\n(Sound-Design: Male vocal tag \"Vibez\", followed by \"Another banger\" with a tape-stop effect.)\n\n[verse]\n(Melody-Contour: Conversational, mostly stepwise motion within a narrow range, ending phrases with a descending melodic trail-off.)\n(Melody-Rhythm: Relaxed, syncopated phrasing that consistently lands just behind the beat, creating a laid-back, confident feel.)\n(Vocal-Perf: Male tenor, smooth and breathy delivery, effortless rhythmic flow.)\n(Inst: Core guitar and pad continue. A round, sub-heavy synth bass enters with a syncopated line. A minimal Afrobeats drum pattern starts: punchy kick, crisp layered clap, subtle shakers.)\n(Chords: Bmaj7 - G#m7 - Emaj7 - F#)\nShe walk in like the sun forgot to set, oh\nEvery gold bangle catching light on her wrist, oh-oh\nI been cool my whole life, never lost my composure\nBut she laugh one time and now my chest got a fever, oh\n\n[chorus]\n(Hook-DNA: The core motif is the rhythmic chant \"oh-oh-oh-oh\", delivered as straight eighth notes anchored on the root. It repeats in a long sequence, building to the syncopated \"lo-lo-lo-lo\" phrase which acts as the resolution.)\n(Melody-Contour: An ascending leap of a major 3rd on \"Baby, come gimme\", creating an inviting lift, which then resolves in a rapid stepwise descent on the \"lo-lo-lo\" hook.)\n(Melody-Rhythm: The \"lo-lo-lo\" hook is a flurry of syncopated 16th notes, creating a catchy rhythmic counterpoint to the steady beat.)\n(Melody-Harmonic-Tension: The sustained \"woah-woah\" notes hang on the 5th degree of the scale over the IV chord, creating a brief, yearning suspension before the phrase resolves back to the tonic chord.)\n(Vocal-Perf: Male lead vocal becomes more melodic and insistent. Lush background vocal stacks enter, adding harmonic depth.)\n(Inst: Drum pattern becomes fuller with additional percussion layers like shakers and a woodblock. Synth pads become more prominent in the mix.)\n(Mix: Stereo image widens significantly. Background vocal stacks are panned wide, creating an immersive feel.)\n(Chords: Bmaj7 - G#m7 - Emaj7 - F#)\nDon't walk away, no, no, no, no, woah, woah, woah, woah\nOh-oh-oh-oh-oh-oh-oh-oh-oh-oh-oh\nSugarcane rushing through my bo-dy-dy-dy-dy-dy-dy-dy-woah-woah-woah-woah-woah\nYou got me like woah-woah-woah-woah-woah-woah-woah-woah-woah\nShawty, you doing something to my so-soul-soul-soul-soul-soul-soul-soul-woah-woah-woah-woah-woah, hmm\n\n[verse]\n(Melody-Contour: Melodic phrases start on a higher pitch and gently descend, creating an intimate, confessional shape.)\n(Melody-Rhythm: Phrasing is more legato and floats over the groove, contrasting with the previous percussive male vocal.)\n(Vocal-Perf: Female alto, intimate close-mic delivery, breathy and airy texture.)\n(Inst: The drum pattern simplifies slightly, removing some percussion to create more space for the new vocal texture. Guitar remains the primary harmonic driver.)\n(Mix: Female vocal is treated with a noticeably lusher reverb and a subtle stereo delay, placing her in a dreamier acoustic space.)\n(Chords: Bmaj7 - G#m7 - Emaj7 - F#)\nI felt you looking across the whole rooftop, oh\nHeld my breath when your shoulder brushed my shoulder, oh\nTold myself I stay unbothered, stay collected\nBut your voice went low and honey, I was gone, gone\n\n[chorus]\n(Hook-DNA: The duet hook's rhythmic pattern is a memorable \"dotted eighth + sixteenth\" on the phrases \"calm down\" and \"lead now\". This motif repeats twice, anchoring the section.)\n(Melody-Contour: Duet harmony; male vocal carries the main melody while the female adds a floating harmony, typically a 3rd or 5th above.)\n(Melody-Rhythm: The two voices are rhythmically tight, making the inherent syncopation of the melody feel more pronounced and impactful.)\n(Melody-Harmonic-Tension: Female harmony often lands on the major 7th over the tonic chord (Bmaj7) at the beginning of phrases, creating a rich, sweet tension that resolves stepwise.)\n(Vocal-Perf: Male and Female duet. The smooth tenor and breathy alto textures blend. Playful, weaving ad-libs from both singers appear in the gaps.)\n(Inst: Full instrumentation, peak energy. A subtle, arpeggiated synth pluck is added high in the mix for sparkle.)\n(Mix: The densest and widest point of the arrangement, designed for maximum impact.)\n(Chords: Bmaj7 - G#m7 - Emaj7 - F#)\nStay a little longer, linger, linger\nLet the evening pull us closer, closer\nEvery song they play we feel it, feel it\nSkin warm like the sky won't dark-en, darken\nWhen it's you I can't say no-oh-oh-oh-oh-oh-oh-oh-oh-oh-oh\nSugarcane rushing through my bo-dy-dy-dy-dy-dy-dy-dy-woah-woah-woah-woah-woah\nYou got me like woah-woah-woah-woah-woah-woah-woah-woah-woah\nShawty, you doing something to my so-soul-soul-soul-soul-soul-soul-soul-woah-woah-woah-woah-woah, mm-hmm\n\n[bridge]\n(Melody-Contour: A new, more repetitive melodic idea that sits in a lower, more conversational part of the male vocal range.)\n(Melody-Rhythm: Features a distinct call-and-response between the main lead vocal and a filtered background vocal echo of the last word of each line.)\n(Melody-Harmonic-Tension: The melody deliberately avoids strong resolutions, hovering on the 2nd and 3rd degrees of the scale over a simplified, looping chord progression (vi-IV), building anticipation for the final chorus.)\n(Vocal-Perf: Male vocal shifts to a more narrative, rhythmic delivery. The backing vocal has a heavy filter, like a telephone EQ.)\n(Inst: Beat strips back to just kick, bass, and a heavily filtered synth pad. The main guitar riff is removed to signal a dynamic and textural shift.)\n(Transition: A subtle reverse cymbal swell builds into the next section.)\n(Chords: G#m7 - Emaj7)\nI drive home but her scent still on my collar, woah (Still on my collar, woah)\nPull up to my place, can't leave that smile alone, oh-woah (Can't leave that smile alone)\nWeek gone, then another, she occupies my appetite (She on my appetite)\nSo I reach out, say come through, let's not waste this night, woah (Don't waste this night, woah)\n\n[outro]\n(Vocal-Perf: Fragmented hook lines (\"Baby, calm down\") and interwoven ad-libs from both male and female vocalists, fading slowly.)\n(Inst: Instrumentation deconstructs layer by layer, removing drums, then bass, until only the signature electric guitar riff and a soft, sustained synth pad remain.)\n(Mix: A gradual volume fade. The reverb and delay tails become more prominent as the dry signals are removed, creating a washy, atmospheric ending.)\nSugarcane rushing, rushing, oh\nShawty, you doing something sweet to me, to me, oh, sweet to me",
  "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：黄昏时分屋顶上弥漫的温热琥珀橘与深甘蔗绿交融，下方城市轮廓在暖雾中溶化，整体散发着湿润、甜腻、微醺的傍晚气息，如同甘蔗汁渗入棉布般的饱满液态感。\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": "黄昏时分屋顶上弥漫的温热琥珀橘与深甘蔗绿交融，下方城市轮廓在暖雾中溶化，整体散发着湿润、甜腻、微醺的傍晚气息，如同甘蔗汁渗入棉布般的饱满液态感"
  },
  "style_direction": "A",
  "style_reference": "Burna Boy, Wizkid, Rema"
}