Generate a photo - realistic image that showcases the elegance and grace of classical music, featuring a pianist performing a captivating recital on a grand piano in a beautifully lit concert hall. Use a Sony Ξ±7R IV camera with a 50mm lens at f/ 2. 8 aperture to capture the scene. Position the camera to capture the pianist's hands on the keys and the grandeur of the concert hall. The background should feature a prestigious concert hall with a grand piano, elegant architecture, and attentive listeners. Pay attention to the pianist's expression, hand movements, and the details of the piano's intricate mechanism.