Ask for the name of the training department (named)

pigeon children's vocal training (taking the meaning of children's innocence)

ripple children's vocal training (taking the meaning of children's continuous voice)

clear children's vocal training (taking children's voice as the meaning of clear melody)

If you are not very satisfied, please add QQ. I want to know your intention of adopting the name. This will narrow the scope of my thinking. Please specify the name when adding Q.