What underlies great science is what underlies great art, whether it is visual or written, and that is the ability to distinguish patterns out of chaos.
I have to get a licence to drive a motorcycle to protect myself and the people around me. I am adamant there should be some sort of licensing required to have children.
Writing a song is like playing a series of downs in football: Lots of rules, timing is crucial, lots of boundaries, lots of protective gear, lots of stopping and starting.