A captivating double exposure, concept art illustration. A frontal train using the guitar fingerboard as a railroad, traveling to the sound hole. The image is a very aesthetic close-up to an acoustic guitar, from the bridge to the neck. The focal point is the train. The background showcases a dramatic sky with dynamic lighting and HDR effects. The composition follows the golden ratio and features a perfect balance of depth, shadow depth, and bokeh. In Gouache Style, Watercolor, Museum Epic Impressionist Maximalist Masterpiece, Thick Brush Strokes, Impasto Gouache, thick layers of gouache watercolors textured on Canvas, 8k Resolution, Matte Painting.