Grooved Whale

When I look at the many different avenues I have explored over the past decade in my search for music in other species, one of the main differentiators I see between us and other creatures is that the human species has many songs and we have to create each and every one of them.

How is a song brought into being? Why is it brought into being? What is its lifespan? Why do some outlive others? Can everyone create music? What is the ratio of creators to listeners? Why do composers compose? Why do I compose?

What would the human species look like if we only had one song? Would we still consider ourselves be a musical animal?