The time required for such training varies according to individual circumstances, and generally includes the following stages:

1, primary stage: It usually takes about 3 months to learn basic singing skills and music theory knowledge.

2. Intermediate stage: It usually takes about 6 months to further improve singing skills and performance ability on the basis of the primary stage.

3. Advanced stage: It usually takes one year or more to learn more advanced singing skills and music theory knowledge, as well as stage performance and music production skills.