Evidence for evolution where the coccyx is the remnant of a vestigial tail, but still not entirely useless; it is an important attachment for various muscles, tendons and ligaments. Read more: http://www.answers.com/topic/coccyx#ixzz2FH3IV3PU
Fun Psychology facts here! But do they posses those characteristics because of the different types of music, or do they listen to different types of music because they already possess those characteristics?!