How to prepare for the Lin Feifan singer training class of Ocean Butterfly?

Address of Ocean Butterfly Forest: 3rd floor, Building A, Ocean International, starting from Sihui subway station, Chaoyang District, Beijing. Butterfly Music-Ocean Butterfly Forest

Its own conditions should be better.

Singing ability, if you are afraid of singing in front of others, you don't have to go.

Dance ability requires a certain dance foundation. Everyone will, so you won't suffer.

There are some ugly figures+looks and stars. This is a realistic problem.

Off-topic: as long as you participate, as long as you are willing to pay, you will generally be admitted. But the chances of becoming a star are too great. ...

Answer finished, please give me the best answer, thank you!