NO? Terminate

YES? Proceed to condition no. 2

NO? Terminate

YES? Proceed to Second-stage

NO? Terminate

YES? Traditional song, proceed to Third-stage

NO? Proceed to condition no. 2 or no. 3

YES? Based on traditional song, proceed to Third-stage

NO? Proceed to condition no. 3

YES? "New" song, proceed to Third-stage

NO? Check condition no. 1, or no. 2, proceed to Third-stage

YES? Proceed to Fourth-stage

NO? Terminate

1. PRESCHOOL CHILD

2. SCHOOL - AGE CHILD