Ancient Roman amphitheater, ornate stone carvings, vaulted ceilings, circular seating arrangement, tiered levels, grandiose entrance archways, rustic brick walls, weathered marble columns, intricate mosaic flooring, warm natural light, soft diffused shadows, subtle echo effects, resonant sound waves, optimized acoustic reflections, intimate performance spaces, dramatic spotlighting, evening concert atmosphere, lively audience chatter, gentle breeze whispers.