What songs are copied from Jay Chou, Tao Zhe and Wang Leehom, and what other popular songs are also copied?

I'm not sure about the other two. It is said that "Tao Zhe" and "Backstreet" are very similar, but I know from Wang Leehom that the melody of "Constellation" is exactly the same as Kelly and Nick Canno's "Pretty Boy". The melody of fallen leaves is copied from Teresa Teng's I only care about you, Big City Love and Emil Wakin Chau's Make me happy and make me sad. No, you can listen to it in the deep bamboo forest, like the famous Indian song "Song of Raz". Especially this one, except for the chorus, the main song is surprisingly similar, that is, our song is really like Tao Zhe.