Elements of Music
http://accounts.smccd.edu/mecklerd/mus250/elements.htm "Most music in the world has a pulse or beat (exceptions include shakuhachi music from Japan, Gregorian chant from Europe, various forms of Arab music, some Australian didjeridu music, etc.). "
This Is Your Brain On Music
http://www.medicaldaily.com/your-brain-music-how-our-brains-process-melodies-pull-our-heartstrings-271007
"The brain's ability to absorb and make sense of music - what some scientists refer to as organized sound - is highly complex and far more effective than even a computer's capacity to identify and process it."