What is the initial stage of practicing imp?

Idol trainee 20 18-0 1-26. The first stage of practicing imp was in the 20th18-01-26 issue of Idol Trainee, and I performed the adapted version of Gone with the Wind with my members. Rep was very popular. Child, whose real name is Lil Ghost,1was born in Haiyang city, Shandong province on May 20th, 999. China rapper, film actor, studying at Beijing Modern Conservatory of Music.