Music in the Co-op

So I popped around to my local Co-op to pick up a few essentials after work. Outside, a single unseen tinny loudspeaker was blaring out classical music.
Very strange.
I looked up, and thought that perhaps someone in a flat above was enjoying the music.
Then I found out what was really going on. It seems that kids hang out in front of the shop all day, and then come in for a spot of shoplifting. The shop is seemingly unhappy at this ever-so-slightly anti-social behaviour and has installed the speaker and music. Kids, it seems, don’t like classical music. It’s even louder than the volume that their mobile phones are capable of!
But that’s not the half of it. It seems that the audio also contains those high-frequency sounds that only kids are said to be able to hear.
All very entertaining, although I’d have thought that your speaker might need to be capable of playing those frequencies in the first place, and I’m not entirely convinced about the Co-op’s audio fidelity in this instance.


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