RogerEvansOnline.com

Evolutionary biologists have gone so far as to say that music is a necessity for humans, since no human society has been without it. Some (Darwin among them) have said that it’s important to life, but only for reproductive purposes, since — as everyone knows — musicians are the sexiest of mortals.

But some say it meets a need that it has itself created — like cheesecake.

Read up on the state of thought on this, in an article in The Economist.