These two recordings show the difference in tone between an untreated violin and one given nine months of fungal treatment.

ECONOMIST: Violin-making

While, in relation to most she has magnificent skin, hair, and stature, the one wrinkle she may think she has or the slight difference in body tone or shape which is the natural consequence of aging, causes her to come in second to a barely in-her-twenties young woman with perfect skin, perfect body and muscle tone, and is known to be 22.

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He tells us that the difference between Kadima and Likud is one of tone, not substance.

CENTERFORSECURITYPOLICY: We are not for sale

Both coaches were quick to point out that Jameer Nelson didn't play in any of the first three meetings, but he made no difference thanks to another strong night from Williams, who set the tone with 13 points in the first quarter.

WSJ: Nets rout Magic 97-77 for 8th straight home win

The White House and Pentagon insist there was nothing within range that would have made a difference, but we also know that military officers respond to the political tone that civilian officials set at the top.

WSJ: Review & Outlook: Benghazi Disinformation Points

After several hours of this, learning the difference between a four-day-old horse and a cow carcass - the colour, smell, and muscle tone - the kind lady who showed us round, led us to a warm room where we could remove our hair nets and overalls and take comfort in a bowl of vegetable soup.

BBC: Horsemeat scandal: Noble animal at centre of Romanian life