Music + Language = ?

Been a while coming but kick start blog writing...

Fascinating book, "The Singing Neanderthals" by Steven Mithen, suggests that music and language evolved in tandem, filling the void where touch left off. The theory by anthropologists Aiello and Dunbar, suggests that as our ancestors population density increased, it became impossible to bond in the way we had previously, through physical contact. Initially vocal sounds were a replacement for physical touch, the sonic vibrations articulated from the individuals mouths would resonate between each other and create a unison that could imaginably have formed the first choirs.

Language became nessacery to express the specifics relating to the manufacture of tools, as it became essential to pass down knowledge, relating to the creation of objects for survival. Music at this point presumably continued to have use as a social bonding mechanism, and in turn became physically articulated through the creation of the first instruments.

As time passed both music and language have established themselves as institutions in their own right, there is a vast repertoire of music, instruments, written & recorded, and libraries of different languages.

Now then, what is the relationship between music and language?

There is something compelling in this question...