A dark, elegant background that closely mirrors the original image with a black

A dark, elegant background that closely mirrors the original image with a black left side transitioning to dark blues on the right. The right side of the image should feature intricate, swirling patterns reminiscent of the original floral designs, but with musical notes and symbols instead of flowers. These musical elements should maintain the same flow and arrangement as the original design, with a subtle gradient of white to gray as they blend into the background. The overall composition should capture the same delicate balance and symmetry as the uploaded image, with a clear focus on the right side.