Why does Olivia believe Qian Qian's ten thousand songs?

Thousands of songs are better. According to the content of the play "Girl in Morphy", Qian Ge is Oliver's predecessor. Oliver thinks Qian Ge is much better than himself, so Oliver believes Qian Ge. Olivia, a character in the animated film Dream Girl in the Philippines, is the vice president of the Philippine Dream Academy and an active Philippine dream star.