This post comes courtesy of the DESIRING GOD blog. Here is how it opens:

“The creation surrounding us is the product of the triune God. That is incredible enough. But take one more profound step and we discover, as Pastor John explains in The Pleasures of God, that “creation is an expression of the overflow of that life and joy that the Father and the Son have in each other” (72).

To put this another way, we see a kaleidoscope of galaxies, animals, and music genres because the Father and Son enjoy a kaleidoscope of delight in each other, and it is a spilling-over delight. As the triune delight spills over in creation, it expands and radiates outward for us to share in. Out of this throbbing delight we have creation, a creation that speaks . . .

Read on here:  The Music behind all music