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Hello and welcome to the intelligence from The Economist.

I'm your host, Jason Palmer.

Every weekday, we provide a fresh perspective on the events shaping your world.

The African Union marks its 20th birthday this year.

In its first decade, it mostly managed to work as intended,

integrating economies and keeping the peace.

A look around the continent today suggests its second decade hasn't been so successful.

And skim through the hottest songs on Spotify, and you might notice a slow, steady change, less and less English in the lyrics.

Our data correspondent takes a deep dive, finding where in the world pop music's dominant language is slipping fastest.

But first...

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