Riverside concert house, luxurious architecture, modern design, floor-to-ceiling windows, grand staircase, marble floors, velvet curtains, golden lighting fixtures, wooden acoustic panels, comfortable seating areas, riverside promenade, sunset time, warm soft lighting, vibrant wildflowers, weeping willows, narrow dirt path, few ducks swimming lazily, old wooden bench, distant mountains, serene backdrop, soft ripples on the water surface.