Song Form: ColdOpen-SceneA-Hook-SceneB-Break-Return-Tag
Harmonic Motion: i / bVII / bVI / V/iv

[Cold Open] Bars 1-8
Layers: VinylNoise, Keys, Ambient
Focus: 只給採樣殘響與低頻輪廓，先立故事場景。

[Scene A] Bars 9-24
Layers: Drums, Bass, Keys, Texture
Focus: 保留 rapper 口袋，kick 少、snare 準。

[Hook Lift] Bars 25-36
Layers: Drums, Bass, Keys, Lead, Counter, Brass, FX
Focus: hook 用 soul flip 提升記憶點，不堆滿。

[Scene B] Bars 37-52
Layers: Drums, Bass, Keys, Texture, Bell
Focus: 和聲換位，讓敘事往後推。

[Break Monologue] Bars 53-60
Layers: Ambient, Keys, Counter, FX
Focus: 抽掉主鼓，留白讓戲劇性出來。

[Return Hook] Bars 61-76
Layers: Drums, Bass, Keys, Lead, Counter, Brass, FX, VoxGhost
Focus: 回 hook 但加 drop-fill signature。

[Tag Outro] Bars 77-84
Layers: Keys, Ambient, Bell
Focus: 收尾像黑膠尾槽，不再回主鼓。