RW Data by request from Conrad

Billbrpt@AOL.COM Billbrpt@AOL.COM
Mon, 23 Oct 2000 20:14:57 EDT


List,
Conrad wanted to see hard evidence of what I was talking about: that most, 
yes I mean *most* aural tuners actually tune a backwards version of a 
Well-Tempered Tuning instead of ET but fail to recognize that fact.  I have, 
on a few occasions, documented this phenomenon and once I wrote a post about 
it.  Generally, I am not inclined to go around documenting every shortcoming 
down that I encounter, I just make a mental note of it.  I hesitate to write 
this down and publish it because I am doing the very same thing I have 
criticized Conrad for doing:  writing a full report on how bad somebody 
else's work is.  But *Enquiring* minds want to know, so here it is.

Between my 4th and 5th pianos of the day, I read Conrad's, shall we say, 
*provacative* post.  The first 4 pianos were regular customers, so there was 
nothing interesting to report.  The 5th, however, was an older Kawai Grand, a 
6 foot (approx.) with "#650" on the plate.  I am not the usual tuner.  It had 
last been done in early September but now was being tuned for a Choir 
rehearsal and performance Wednesday night.  I asked the stage manager a 
couple of questions and found out who the last tuner was.  It is a well-known 
RPT from my Chapter who has often served as a Delegate to Council, Chapter 
President and VP and has been in the business many years (15 or so, I think.)

I used the Exam program to do this analysis.  I first read the tuning as it 
was, and no surprise to me, it was Reverse Well, as I expected, although it 
was not one of the more extreme examples of it.  I then aurally "straightened 
it out" into ET, although I NEVER tune ET *except* for Exam or research 
purposes.  I used my own aural ET as a reference tuning.  It does not look 
entirely numerically regular but I have seen "Master Tunings" for Exams that 
didn't either.  I am sure that it would "pass" the Exam at either 100 or with 
possible 1 error at 97.5.  Having said that, I used my own aural ET as a 
reference and scored the Reverse Well (RW) temperament and my own EBVT 
against it.  Here are the results:  (Please note that per the Exam program, 
all values are read on octave 5 which differs from the FAC program).

Note:              F3   F#3   G3   G#3   A3   A#3   B3   C4   C#4   D4   D#4  
 E4   F4
Aural ET:        -0.6  -0.6  -1.4  -0.6    0.0   0.4   0.6   -0.6  -1.0   
-1.4  -1.5  -0.8  0.6 
Reverse Well:  -1.0   0.2  -1.3  -0.4    0.0   0.4  1.0    -2.1  -1.6   -0.7  
-2.9 -0.1  -2.9
EBVT:             2.5   -2.0  4.0   2.0    0.0   4.5   0.5    4.0   -1.0   
0.5   1.5  -2.0  3.5

The Reverse Well scored 82.5.  It "passed" the Exam!  The "unethical" EBVT 
scored a lousy 42.5.  Pretty bad, eh?  I also noticed that the 6th and 7th 
octaves were very flat, so flat that I had to do 3 passes to get the high 
treble to hold accurately.  Knowing that the tuner who tuned it uses a fork, 
I guess this confirms the statement made recently by David who claims that if 
you use a fork, the treble will be flat.  I wonder what Conrad did not want 
hard data to support *that* statement?

Of course, this is only one "anecdotal" experience but if you really want me 
to Conrad, I'll document every time I tune a piano that someone else has 
tuned before me for a while.  If it doesn't turn out to be RW, fine, if it is 
a good ET, fine, if it turns out to be ET with only a few random errors that 
do not exhibit a RW pattern, I'll document that too.

I'm willing to say this here and now.  At least 90% of what I would document 
will be RW.  The piano I tuned for the Temperament Festival in Providence was 
and I called Jim Coleman over to witness it but he didn't seem to understand 
exactly what RW was.  Likewise, when I went to Chicago to meet again with 
Virgil Smith, there it was, as sure as the sun rises and sets, the piano is 
in RW and the treble is so flat that it had to be tuned 3 times to make it 
hold well enough for a demonstration.

As the old skit on Johnny Carson used to say, "Believe it, or STUFF it!"

Bill Bremmer RPT
Madison, Wisconsin


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