There's actually a biological reason for this, believe it or not. Language and music "time share" many characteristics of both hemispheres of the brain. Language and music are processed in different hemispheres.
Read pages 20-26 of the book "How Music Really Works" by Wayne Chase. It breaks it down in detail.
Yeah, sure. But I came back with proof of my quote with citations to the pages where they appeared in the book. Or did you miss that part of my comment?