All of life is set to music -- or at least to a rhythm. From the graceful undulation of a jellyfish to the irresistible urge to bop along to our favorite songs, the urge to sway is hard-wired. Dr. Laurel Trainor, a professor of psychology, neuroscience, and behavior at McMaster University and director of the "LIVELab" there, conducts research into auditory development. She has found that our unconscious movements connect us in surprising ways, whether it's band members playing in concert, a mother singing to her infant, or couples on a speed date. As it turns out, it can even make us better, more altruistic people. Plus, what's it like to be inside a performers head?  https://livelab.mcmaster.ca/