You know how their faces contort when hitting certain notes or rhythms? Why is that triggered in the face? Is it an emotional response? Communication by facial expression? Vestigial from some other process?
You know how their faces contort when hitting certain notes or rhythms? Why is that triggered in the face? Is it an emotional response? Communication by facial expression? Vestigial from some other process?
I think our brains can only do so much major cognitive work at a time. Playing from your soul, and feeling big feelings, these things override the ability to maintain social control over your facial expression. Perhaps keeping emotions off our faces is a skill that evolved more recently than having emotions, and thus it’s the first to go when we’re concentrating on other things.