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Subject: tuning
From: Don <[log in to unmask]>
Reply-To:Don <[log in to unmask]>
Date:Sun, 18 Feb 2018 18:34:59 -0700
Content-Type:text/plain
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Don <[log in to unmask]>
[image: Attachments]6:33 PM (1 minute ago)
to OPERA-L
The international organization for standardization started looking at 440
in 1955 and it was established permanently in 1975.  Earlier in 1926 it was
an informal standard.  In 1936 the American Standard recommended 440, but
it was not established formally until 1975 which is very recent.  415 is
indeed about a half step below 440.  Interestingly, Mozart, Debussy, Chopin
and others wrote in 432 and a lot has been written to support the
beneficial effects on people of 432 vs 440.  I've also read where 440 was
not decided upon until 1939 so you can see it's all over the place.  A
number of modern bands have converted their tunes to 432. 432 supposedly
effects the right side of the brain(human characteristics)  while 440
effects the left side(social problems).   The frequencies of the various
notes can be expressed in whole numbers in the 432 Hz tuning system which
indicates that 440 is unnatural where 432 is a natural resonance. The 440
Hz system therefore results in more complex fractions(A=440hz. C=261.63hz
but at A=432. C=256. whole numbers).


-- 
​Always keep a roll of baling wire and another of duct tape in your car.
It's amazing how useful it can be.

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