ounds Productions

https://www-scientificamerican-com.ezproxy.lib.purdue.edu/article/hyperscans-show-how-brains-sync-as-people-interact/

https://blog.preludemusicplanner.org/2012/07/tactus-and-tempo

http://discovermagazine.com/2010/sep/25-modern-humans-smart-why-brain-shrinking