Highly detailed 3D model of a grand piano with its lid fully open, revealing the inner strings, hammers, and soundboard. The piano should have an elegant, glossy black finish with visible reflections on its polished surface. Include a detailed keyboard, brass pedals, and a matching bench with a cushioned seat. Ensure realistic textures for the wood, metal, and keys, and use soft lighting to emphasize the instrument’s curves and craftsmanship., Highly Detailed, Ultra Realistic