The ratio can even be found in the construction of string instruments, such as this Stradivarius. He was known to use the ratio to determine the placement of the F-holes, which are often set at a geometric distance apart; that distance is a Fibonacci number.
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violin

It is also represented in the spirals of the violin's scroll.
violin-scroll
Even though the Golden Mean spiral above has fewer turns—two—than that of the spiral taken from the sample scroll, and even though each violin maker's scroll is a little different, it should be obvious that the typical violin scroll is loosely based on the Golden Mean spiral.