The Stairwell Behind the Concert Hall

Generate exactly one original image, a single finished photograph with aspect ratio 4:5. A 36-year-old East Asian male violinist with light olive skin, a round face, straight brows, hooded dark eyes and short black hair parted low on one side sits halfway up a broad concrete stairwell during a rehearsal break, violin case closed beside him, carefully loosening one cuff of his rust-colored shirt. Wide environmental portrait from the opposite landing at shoulder height, figure placed low right and staircase diagonals leading toward his relaxed face. A square skylight casts a sharp white patch across the upper stairs with one long railing shadow. Natural seated anatomy, cool neutral grey space, rust shirt as the single warm focal color, crisp architectural portrait. Create an original scene; no borrowed likeness, no collage, no text, no logos, no watermark.