Readers reply: If an alien asked you: ‘What is music?’ what would you play for them?

The long-running series in which readers answer other readers’ questions comes up with an epic extraterrestrial playlist for Earth’s first contact from beyond the stars

This week’s new question: Experts say we should use passkeys, but can a smartphone PIN really be safer than a password?

If an alien landed and asked you: “What is this thing you call music?” what would you play for them? And why? Heather, Kent

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