The world expert on European wasps and the sounds that they make is taking a stroll down his local town. As he passes by the record shop, a sign catches his eye: "Just Released - New LP - Wasps of the World and the sounds that they make - available now"

Unable to resist the temptation, the man goes into the shop.

"I am the world expert on European wasps and the sounds that they make. I'd very much like to listen to the new LP you have advertised in the window."

"Certainly, Sir," says the young man behind the counter. "If you'd like to step into the booth and put on the headphones, I'll put the LP on for you."

The world expert on European wasps goes into the booth and puts on the earphones. Three minutes later, he comes out of the booth and announces, "I am the world expert on European wasps and the sounds that they make and yet I recognised none of those."

"I'm very sorry Sir", says the young assistant. "If you'd care to step into the booth again, I can play you have another track."

The world expert on European wasps and the sounds that they make steps back into the booth and replaces the headphones.

Three minutes later, he comes out of the booth shaking his head. "I don't understand it", he says, "I am the world expert on European wasps and the sounds that they make, and yet I still can't recognise any of those!"

"I'm terribly sorry, Sir" says the young man, "perhaps if you'd like to step into the booth again, you could hear another track."

Sighing, the world expert on European wasps and the sounds that they make steps back into the booth. Five minutes later, he comes out again, clearly agitated.

"I am the world expert on European wasps and the sounds that they make and yet I have recognised none of the wasps on this LP."

"I really am terribly sorry", says the young assistant,

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"I've just realised I was playing you the bee side."