Chapter 457: Changes at the Pet Park Zhang Lan pondered for a long time but couldn't figure out the reason. However, as she looked at the eleven songs on her phone, a look of immense confidence flared in her eyes. With these eleven songs, she was certain that even if that entertainment company was pulling strings behind the scenes, they wouldn't be able to stop these tracks from rising to the top. A good song resonates with people. Once a song strikes a chord with the audience, they will…