Form: Intro → A theme (muted trumpet) → fill → B section (alto sax, F-major lift) → fill → A′ (re-harmonised theme + vibraphone counterline) → coda → loops to A. Click the timeline in the scene to jump. Layers: the suspicion slider swaps stems at the barline — the lead bows out as tension strings and a timpani heartbeat move in; stingers duck the score. All voices are the platform's sampled instruments; rain and city ambience beds run underneath. Press Space to start.