"If you got a heavy vehicle trying to change a wheel then, instead of the vehicle being jacked up, the jack sank into the ground, " said Mr Yeadon.

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McErlean had to change a wheel on the car they were using, the lie went, and while he was doing this he was fatally struck by the produce truck.

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In its final version, the keyboard will look a bit different, though the top will continue to be mostly bare, depending instead on that wheel to change between instrument, pitches and the like.

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It seems to be much like the personality change that takes place behind the wheel of a car.

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