Why do humans make music?

Our lives are full of music, from the songs we sing along to on the radio to the orchestral scores that bring a film to life. But why is it that humans love to make music, and how did it evolve in the first place?

Musicologist Prof Michael Spitzer, author of the new book The Musical Human (£30, Bloomsbury), joins BBC Science Focus online assistant Sara Rigby on this week’s episode to explain.

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