C72 Collapse Please Enlighten Me

Xue Lang finished his solo piano performance and was in no hurry to leave the stage.

The pretty female host walked to Xue Lang's side and handed him a microphone.

Then, she smiled and said, "It's Xue Lang's question and answer session now. If you have any questions on the piano, you can ask senior Xue Lang."

Xue Lang said with a smile, "Yes, if there's anything you want to know, you can ask