I stole this thread title directly from the headline to an interactive online  test on The New York Times website described thus: "Scientists have been trying to unravel what specific components of music make it emotionally expressive. The following quiz is based on research by Daniel Levitin...

Beware your "cans" -   http://www.nytimes.com/2011/01/09/magazine/09FOB-medium-t.html