[CAUT] ET "width"

Andrew Anderson andrew at andersonmusic.com
Mon Apr 12 10:32:34 MDT 2010


In this case we had a discussion about key flavor and he was curious.   
After the Coleman he decided he wasn't curious... ;-)

Andrew Anderson

On Apr 12, 2010, at 11:18 AM, Fred Sturm wrote:

> Hi Andrew,
> 	I have numbers for a few of Jim Coleman's recipes, but Coleman 8 I  
> don't have. Is there a source for all of them somewhere?
> 	I'd be surprised if your comp prof would notice Di Veroli's "almost  
> equal" temperament. I wouldn't classify it as a WT. The maximum  
> deviation from ET is just over 1 cent (supposedly 1.08 cents). For  
> those who are interested, it is Di Veroli's creation, based on  
> making AC# very slightly narrower than ET (by 0.35 bps), and making  
> C#F and FA equal in width in bps. Then divide each major third into  
> its component fifths (the fifths "within" each third being equal in  
> size). A rather quirky recipe he first published in 1978. The M3s  
> vary (theoretically) from 12.6 cents to 15.9 cents, in a WT style  
> pattern (the maximum size M3 is C#E#, and the minimum size applies  
> to CE, GB, DF# and AC#).
> Regards,
> Fred Sturm
> University of New Mexico
> fssturm at unm.edu
>
> On Apr 12, 2010, at 8:51 AM, Andrew Anderson wrote:
>
>> In this case I tried a Coleman 8.  I usually do a really mild di  
>> Verolli well.
>>
>> Andrew Anderson
>>
>> On Apr 12, 2010, at 9:15 AM, Fred Sturm wrote:
>>
>>> On Apr 12, 2010, at 7:48 AM, Andrew Anderson wrote:
>>>
>>>> I've tuned a well temperament for a composer professor here who  
>>>> is careful now to specify Equal Temperament to me.  He knows and  
>>>> is quite sensitive to the difference in intervals.  No one else I  
>>>> tune for knows if anything is different.
>>>>
>>>> Andrew Anderson
>>>
>>>
>>> 	What WT was this? IOW, how far from ET?
>>> Regards,
>>> Fred Sturm
>>> fssturm at unm.edu
>>> http://www.createculture.org/profile/FredSturm
>>>
>>
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