Turn to TikTok for some amusement, and you'll find short videos of a fluffy cat cuddling a fluffy dog, a toddler clutching a bag of Doritos as though it were a teddy bear, or a penguin creating ...

Ten years ago, Kevin MacLeod released "Monkeys Spinning Monkeys" — now in tens of millions of TikToks, Instagram reels and YouTube videos. Its path shows how music and social media shape one another.