{
  "song_id": "01_old town road_20260406",
  "prompt": "Genre: Trap-Pop with Country/Western influences; BPM: 136; Key: G# minor; Rhythm: Laid-back trap groove with a prominent, distorted 808 bassline and fast, rolling hi-hats creating a driving pocket syncopation; Instruments: Sampled, melancholic banjo loop, deep sub-bass 808 with glides, crisp trap hi-hats and snares, simple strummed acoustic guitar; Vocals: Male, relaxed rap-singing delivery in a mid-to-low range, heavy stylistic autotune, confident and slightly nasal timbre, featuring crisp rhythmic ad-libs; Mood: Carefree, confident, rebellious, swaggering, with a blend of modern bravado and classic Western nostalgia; Production: Bass-dominant mix with vocals pushed forward, sparse arrangement creating sonic space, lo-fi sample texture contrasting with clean trap drums, moderate stereo width; Structure: Intro, Verse, Chorus, Interlude, Verse, Chorus, Outro; Language: English; Highlight: Juxtaposition of a classic country banjo sample against a hard-hitting, modern 808 trap beat.",
  "title": "烟尘之外",
  "lyrics": "[intro]\n(Chords: G#m - E - B - F#)\n(Inst: Filtered banjo sample, distant vocal ad-libs.)\n(Sound-Design: Vinyl crackle, tape saturation hiss.)\n(Vocal-Perf: Muted, background exclamations and melodic vocalizations.)\n(Transition: Filter sweep up →)\n嘿嘿\n哦，哦-哦\n哦啦，啦，啦，啦\n烟还没散 火车已进站\n我背着行李 往前走不停歇\n烟还没散 火车已进站\n我背着行李 往前走不停歇 走，走，嘿\n\n[verse]\n(Chords: G#m - E - B - F#)\n(Inst: Prominent 808 bassline, rolling hi-hats, sharp clap on 2 & 4, banjo loop sits in the back.)\n(Mix: Vocals are dry, upfront, and centered. Bass dominates the low-end.)\n(Vocal-Perf: Conversational, relaxed rap flow with a slight swagger. Heavy stylistic autotune on sustained notes. Crisp rhythmic ad-libs punctuate phrases.)\n(Melody-Rhythm: Syncopated, speech-like rhythm that plays against the steady trap beat.)\n口袋里装着地图 哈\n目的地还模糊\n路灯刚熄灭\n晨光贴着铁轨铺 嘿\n踏过那泥泞地 哈\n越过那破铁篱\n城里的人说我傻\n我说你没走出去 嘿\n\n[chorus]\n(Chords: G#m - E - B - F#)\n(Inst: Full beat, banjo loop becomes more prominent, subtle acoustic guitar strumming adds texture.)\n(Mix: Widens slightly, vocals get a touch more reverb.)\n(Hook-DNA: Simple, descending pentatonic phrase repeated twice, creating an infectious pop earworm.)\n(Melody-Contour: Descending stepwise motion from the 5th to the tonic, creating a feeling of resolution and finality.)\n(Vocal-Perf: Shifts from rap to a sing-song melody. Layered vocals on key phrases for emphasis.)\n没人能拦我这条路\n你拦不住我\n没人能拦我这条路\n你拦不住我\n烟还没散 火车已进站\n我背着行李 往前走不停歇\n烟还没散 火车已进站\n我背着行李 往前走不停歇\n\n[interlude]\n(Chords: G#m)\n(Inst: Four-on-the-floor kick drum, massive synth lead, heavy sidechain compression pumping to the kick.)\n(Sound-Design: EDM-style risers, pitch-bent vocal chops, explosive white noise crashes.)\n(Mix: Massive stadium drop feel, extremely loud and compressed.)\n(Vocal-Perf: No lead vocal, only sampled and processed vocal fragments used as rhythmic elements.)\n(Transition: Drum fill and riser →)\n\n[verse]\n(Chords: G#m - E - B - F#)\n(Inst: Beat drops back to the sparse trap groove. 808, hi-hats, clap, and background banjo.)\n(Mix: Returns to the intimate, dry, bass-heavy mix of the first verse.)\n(Vocal-Perf: Same relaxed rap delivery, confident tone, with subtle variations in ad-libs.)\n(Melody-Rhythm: ↑ same)\n口袋里装着地图 哈\n目的地还模糊\n路灯刚熄灭\n晨光贴着铁轨铺\n踏过那泥泞地 哈\n越过那破铁篱\n城里的人说我傻\n我说你没走出去 嘿\n\n[chorus]\n(Chords: G#m - E - B - F#)\n(Inst: Full ensemble returns, acoustic guitar is slightly more audible, more ad-libs.)\n(Mix: Builds on the first chorus, slightly more energy.)\n(Hook-DNA: Simple, descending pentatonic phrase repeated twice, creating an infectious pop earworm.)\n(Melody-Contour: Descending stepwise motion from the 5th to the tonic, creating a feeling of resolution and finality.)\n(Vocal-Perf: More energetic delivery, ad-libs are more frequent and aggressive, lush background vocal stacks added.)\n没人能拦我这条路\n你拦不住我\n没人能拦我这条路\n你拦不住我\n烟还没散 火车已进站\n我背着行李 往前走不停歇\n烟还没散 火车已进站\n我背着行李 往前走不停歇\n\n[outro]\n(Chords: G#m)\n(Inst: High-energy EDM synth lead, hard-hitting kick, pumping sidechain.)\n(Sound-Design: Filtered vocal chops, repeating riser effect.)\n(Mix: Massive stadium drop returns for the finale.)\n(Vocal-Perf: Chopped and stuttered vocal samples repeating 'walk no more'.)\n(Transition: Final synth note with long reverb tail → abrupt silence.)\n往前走不停歇 往前走不停歇\n",
  "cover": {
    "template_id": 2,
    "template_name": "公路漫游·西部朋克",
    "scene_description": "荒野铁轨延伸至地平线，晨雾中一列老式火车冒着蒸汽驶来，前景是一个背着旧皮包的年轻身影逆光而立，脚下碎石与铁轨交错，远处山丘轮廓模糊，整体色调是焦橙与烟灰的碰撞，带有强烈的西部公路片质感与现代trap美学的融合。",
    "cover_prompt": "Cinematic wide-angle shot of a lone young man standing on rusty railroad tracks stretching to the horizon at dawn, backpack slung over one shoulder, silhouetted against a warm amber sunrise breaking through pale grey mist, old steam locomotive approaching in the distance, cracked gravel and weathered wooden ties in the foreground, rolling dry hills fading into haze, color palette of burnt orange, charcoal grey and dusty gold, lo-fi film grain texture, high contrast shadows, modern trap aesthetic meets classic Western road movie, no text, no watermark, no faces visible, square 1:1 composition",
    "selection_reason": "曲风融合西部乡村采样与现代trap制作，封面以荒野铁轨+晨雾孤影呈现自由出走的核心叙事，既呼应banjo的乡土质感，又通过逆光剪影和焦橙色调传递桀骜自信的情绪基调。"
  },
  "cover_prompt": "Cinematic wide-angle shot of a lone young man standing on rusty railroad tracks stretching to the horizon at dawn, backpack slung over one shoulder, silhouetted against a warm amber sunrise breaking through pale grey mist, old steam locomotive approaching in the distance, cracked gravel and weathered wooden ties in the foreground, rolling dry hills fading into haze, color palette of burnt orange, charcoal grey and dusty gold, lo-fi film grain texture, high contrast shadows, modern trap aesthetic meets classic Western road movie, no text, no watermark, no faces visible, square 1:1 composition"
}