In his book, The World in Six Songs, Daniel Levitin posutlates the ability to make or participate in music may have conferred an evolutionary advantage to early humans. It’s a reasonable hypothesis based on both archeological and anthropological evidence. And some paleontological finds, too.
We know from remains of bone flutes and other instruments, that humans made music at least 40,000 years ago. What that music was like, what role it played in primitive culture and society, what ceremonial or bonding purposes it had, will always be speculation (although we do know they likely used the pentatonic scale). We can only infer music’s roles from its uses in historic – i.e. since the invention of writing – civilizations, but we can never be sure what happened – and why – before the historical record.
When humans started singing, drumming, or making instruments to accompany themselves is simply something we will never know. Anything to suggest when is mere speculation. And even suggesting why is, too. We’re using post hoc analysis to infer purpose and reason.
We do know that group singing and dancing involves the release of certain neurochemicals like oxytocin, that can have powerful social-bonding effects on individuals, but we don’t know whether the particular chemistry is recent, ancient or even had the same effect on earlier cultures. However, given the relatively common and similar effects observed today, it’s another reasonable speculation that they occurred earlier within our evolution and helped humans bond, cooperate and accomplish group tasks.
And we do know that non-literate or non-technological societies – what few remain, such as those rare Amazonian tribes – use music and singing in social and cultural activities and rituals. Music and singing are as powerful in their cultures, in their daily lives, as sex and magic.*
(The co-development of music and civilization is fascinating, but apparently fragile. Music was mostly a communal activity, much more participatory, before the post-WWI development of communication technology. Today, thanks to the internet, digitalization and newer technologies, music is less a shared, bonding activity than it is a passive experience. Musicians – the people who create the experience – still create and shape public opinion and taste, but like alchemists and shamans, they are on the fringe of society.
There is a glimmer of hope that music may be returning to its communal, social roots with the recent growth in popularity of the ukulele and the resurgence of communal ukulele groups…)
Levitin – as brilliant as he is about neuroscience and music – seems confused about evolution and natural selection. And a few other sciences, as I’ll explain below.
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