The UK's new, polymer £5 note is touted as being wrinkle-proof, waterproof and more durable than the paper one it's replaced. A Briton named Michael Ridge observed that the new bill's corners are crisply sharp, and tried using it as a record needle:
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Crazy, no? The bill is not producing the music on its own, of course, but it is rigid enough to transmit the tune to a contact microphone and amplifier that are off-screen.
The tune, by the way, is ABBA's "Money, Money, Money."