I am quiet, but don't think I will not get back at you

The interior of the music class at the headquarters was different than the one at the training center. It looked like a theater. The stage the teacher used for lecturing was wide. There were various kinds of instruments placed or hung behind him.

The lecture took around 20 minutes. The lecturer assigned each person to try to write a song within 20 minutes—just its melody. He also gave them conditions.

"Teacher, are you sure the actor who just started taking this class will be able to do that?" the boy who had just fought with Bai Zhe asked the lecturer. The lecturer looked at him and spoke.