{
  "song_id": "01_I'm Yours_20260419",
  "prompt": "Genre: Acoustic Folk-Pop; BPM: 151; Key: B major; Rhythm: Relaxed, syncopated reggae-lite groove driven by off-beat nylon-string guitar upstrokes and a simple, pocketed drum backbeat.; Instruments: Close-mic'd nylon guitar w/ string noise, warm overdriven e-piano, round clean bass guitar, organic drumkit w/ room sound, lush background vocal stacks.; Vocals: Male tenor, light and effortless, conversational and rhythmically playful with fast syllabic phrasing, intimate close-mic delivery.; Mood: The feeling of kicking off your shoes and walking barefoot on warm sand at sunset, deciding to just stay there for the night.; Production: High-Fidelity, Pristine Radio-Ready Mix with expensive analogue warmth and silky smooth high-end. Organic, vocal-forward mix; Highlight: The sudden shift from a full-band chorus into a sparse, beat-boxed and scatted vocal interlude, completely dropping the lyrical narrative for pure rhythmic, joyful improvisation.",
  "title": "Threadbare Jacket",
  "lyrics": "[intro]\n(Mix: Vocal-forward, warm analog feel. Clean low-end, smooth mids, airy highs. Natural dynamics with light bus compression. Stereo field is open but centered around the main acoustic guitar and lead vocal.)\n(Inst: Nylon-string acoustic guitar, percussive strum, finger squeaks audible.)\n(Chords: B - F# - G#m - E)\n\n[verse]\n(Melody-Contour: Narrow-range, mostly stepwise motion, creating a talk-singing feel.)\n(Melody-Rhythm: Highly syncopated, with many phrases starting on the 'and' of the beat, dense with 16th-note patterns.)\n(Vocal-Perf: Casual, effortless, intimate and conversational delivery.)\n(Inst: Bass and drums enter, establishing a laid-back pocket.)\n(Chords: B - F# - G#m - E)\nSo I packed half a bag and left the key under the mat\nThought I'd maybe call my brother but I just sat with that\nThe highway exit sign said nothing that I recognized\nI pulled over at a diner, watched the sugar slowly crystallize\nThe waitress had a laugh like gravel, didn't ask me why I'd stopped\nShe refilled my cup and told me that the blueberry pie was hot\n\n[chorus]\n(Hook-DNA: Core motif is two descending melodic phrases on \"hesitate no more\", landing on the 5th and 3rd; rhythmic pattern is syncopated eighths, resolving on the downbeat of \"yours\" which lands on the root.)\n(Melody-Harmonic-Tension: Melody briefly creates a sus4 feel over the I chord on \"hesitate\" before resolving down, building and releasing tension within the phrase.)\n(Vocal-Perf: Shifts to a more sung, open tone; introduces lush background vocal stacks for harmony.)\n(Inst: Full band, electric piano adds harmonic layers.)\n(Mix: Stereo image widens, BGV panned left and right.)\n(Chords: B - F# - G#m - E)\nAnd I don't need to know the plan, I'll take it as it comes\nThis threadbare jacket on my back is warm enough for some\nLet the season do its turning, let the road go where it does\nI'm alright, yeah I'm alright, just because\n\n[verse]\n(Melody-Rhythm: Vocal phrasing follows the established syncopated, conversational pattern.)\n(Vocal-Perf: Confident, free-flowing delivery, a sense of gentle persuasion.)\n(Inst: Groove remains consistent, providing a solid foundation for the vocal.)\n(Chords: B - F# - G#m - E)\nFound a campsite by a creek where the sycamore roots go deep\nStacked some kindling, struck a match, watched the orange embers creep\nSomebody left a paperback wedged underneath a stone\nTwo hundred pages in by midnight, never felt less alone\nThe frogs were singing something stupid-beautiful and loud\nI hadn't laughed like that in months, I said it to a cloud\n\n[chorus]\n(Hook-DNA: Core melodic and rhythmic motif repeats, reinforcing the infectious pop earworm quality.)\n(Melody-Harmonic-Tension: Background vocals add new harmonic layers, creating richer tension and release against the lead melody.)\n(Vocal-Perf: Lead vocal delivered with more conviction, background vocal stacks are more prominent.)\n(Inst: Energy builds slightly, drums might add subtle cymbal splashes.)\n(Chords: B - F# - G#m - E)\nAnd I don't need to know the plan, I'll take it as it comes\nThis threadbare jacket on my back is warm enough for some\nLet the season do its turning, let the road go where it does\nI'm alright, yeah I'm alright\nThe mud between my toes says I'm exactly where I was\nMeant to be, just because\n\n[bridge]\n(Melody-Harmonic-Tension: This section completely abandons melodic tension for rhythmic playfulness; the scatting is non-tonal, creating a break before returning to the melodic theme. The second half returns to melody but over a simplified harmony, building anticipation.)\n(Vocal-Perf: Shifts from singing to playful scatting and mouth percussion, then transitions back to a more reflective, storytelling tone.)\n(Inst: Instrumentation becomes sparse during scatting, focusing on guitar and bass, then rebuilds.)\n(Chords: B - F# - G#m - E)\nda da da da da da da da da da\nda da da yeah\nSlide on down beside me now\nI'll hum the part I don't know how\nI used to keep a running list of everything I owed\nThe weight of every apology I swallowed on the road\nBut somewhere past the county line the list just got too thin\nI folded up the paper, let the wind take it again\nAnd what I found below the static, underneath the noise\nWas just a kid who liked the creek and didn't need a choice\nThat's still me, still breathing free\n\n[outro]\n(Vocal-Perf: Layered vocal interplay, call-and-response between lead and background parts, ad-libbing freely as the track fades.)\n(Inst: Instruments slowly fade out, leaving vocals and acoustic guitar last.)\n(Mix: Gradual fade out, reverb tails become more noticeable.)\n(Chords: B - F# - G#m - E)\nAnd I don't need to know the plan, I'll take it as it comes\nThis threadbare jacket on my back is warm enough for some\nLet the season do its turning, let the road go where it does\nI'm alright, yeah I'm alright, just because\nThe sycamore roots go deep\nAnd so do I",
  "cover_prompt": "生成一张复古植物学插画（Vintage botanical illustration）风格的艺术图片作为无字音乐专辑封面。画面的核心是：一株盘根错节的悬铃木树根特写，从浅棕色的泥土与砾石中拱出，根系之间夹藏着一片翻开的破旧平装书页，书页边缘卷曲，纹路细腻。画面上方延伸出几枝宽阔的掌状叶片，叶脉清晰入微，偶有虫蛀留下的孔洞细节。采用极其精细、繁复的黑白墨水线稿（Intricate black ink line work）来勾勒，每一条根纹和叶脉的纹理都细腻入微（Finely detailed textures）。色彩方案为极致的单色调（Monochromatic），主体为黑灰色的精细线条，背景为带有古典纸张质感的浅米色（Light beige background）。构图优雅且充满古典艺术气息。强烈要求：这是一张纯粹的植物/自然手绘插图，绝对不要出现任何人物、现代工业物品或3D渲染效果！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！传达出一种优雅、纯粹、永恒且带有诗意的手工艺术气息。",
  "cover": {
    "template_id": 3,
    "template_name": "复古植物线稿流",
    "scene_description": "一株盘根错节的悬铃木树根特写，从泥土与砾石中拱出，根系之间夹藏着一片翻开的破旧平装书页，书页边缘卷曲；画面上方延伸出几枝宽阔的掌状叶片，叶脉清晰，偶有虫蛀留下的孔洞细节；纯黑灰墨水线稿，浅米色古典纸张背景"
  },
  "style_direction": "B",
  "style_reference": "Jason Mraz, Jack Johnson, early John Mayer"
}