You may recall a "Happy for No Reason" video I posted of Snowball, who loves moving to music with a beat. [youtube]N7IZmRnAo6s[/youtube]
That video prompted Anniruddh Patel, a neuroscientist, to explore music's hold on the brain. Do we have a neurological relationship to music, as we do language? Fascinating stuff.
You can read more through this recent New York Times article.