isn't it to do with health. also if you look at the earlier posts there is a comment on fibonacci and the number series. aparantly there is a linkage between the ratio of 1 - 1.618 or something and determines whether people are good looking.
Here is more evidence that humans are born with this ability to enjoy music and want to dance and that its not a learned ability. This baby cant even stand with his own support, but he dances! <object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/ikTxfIDYx6Q&hl=en_US&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/ikTxfIDYx6Q&hl=en_US&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>
You think the baby will do that if he can not see Beyonce dance, or hear the music? Like language, baby is hearing and repeating pattern.