Please recommend an old web novel. The protagonist has the ability to copy other people's technology, similar to brainwaves?

The protagonist had the ability to copy other people's technology, like brainwaves. After studying in the United States, he copied a lot of knowledge and did research for the country. He was a national treasure-level scientist. The main character was a global singer. The fans were crazy when he appeared from behind and sang. Of the two female leads, one was the protagonist's research assistant in China, taking care of the protagonist's daily life. The main story took place in Nanjing. The protagonist's home was in Nanjing. In the end, Nanjing became an international metropolis. It should be an urban genre. The main character started singing with his back view and then half a mask. Nanjing had developed into an international metropolis because of his concert in Nanjing. The protagonist had to have strong computer skills. His own CD was encrypted by himself and could not be copied. The first video of him was of his back.