Create a very calm, intimate rock‑folk song about a foggy night and a white horse. The mood is fragile silence, as if you’re afraid to scare the horse away with a sound. The tempo is slow, 60–70 BPM. Instruments: only acoustic guitar with a gentle strumming pattern and occasional soft percussion (brushes), minimal bass. Add short a cappella fragments — drawn‑out vowels for airiness. The voice is male, low, clear, warm, and kind. The dynamics are quiet, without abrupt transitions; create a “breathing” arrangement: pauses, space between sounds. Plot: the hero, in a fog, watches a white horse and feels a sense of unity with the night.