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?
In this instance, polyrhythms caused this face