Do you know books that explain why humanity developed this form of communication?
When my older son was in kindergarden age he used to draw a lot, particularly what impressed him, stories he heard, etc., while my daughter used to draw and sign at the same time what she was drawing.
Do your children ever 'transformed' in songs what happened to them?
I have not read this kind of books but I had ever thought the problems.
It is inspired from what tune stand for some feeling. I think it is a tiny feeling but still reflect on action.
And some question about how human built the "language" on music but need to make sure many question.