Thanks all and thank you Owain -- this is simplication towards
clarification not a complication.
I'll repeat Creston's bit
You have your 4/4 measure
a.) the pulse is the quarter note.
b.) primary units at the eight -- 8/8
c.) extrametrical units are at the triplet -- 12/12
This 12/12 is what you are calling 12/8
In 12/8 the pulse is still in 4 -- all you've done is expand the tempo
by a third to accommodate expanding the denominator by a third.
In answer to what does a twelfth note look like.
Creston again:
"...a 1/6 note triplet can be referred to (by the conductor) as a
'written quarter note' triplet, and a 1/12 note triplet as a 'written
eight note' triplet.
He likens this kind of discourse (very astutely I think) with
transposition -- that is the conductor speaks to the Bb trumpet player
(eg) as 'concert D - your written E".
In other words nothing changes except 9/8 is now (properly) 1/3 longer
than 9/12.
Simple.
Jerry
On 6-Jul-05, at 3:47 PM, Owain Sutton wrote:
It looks just like an 8th-note. The purpose of x/12, x/10 etc. is to
allow changes of pulse, in non-triplet situations, with signatures
such as 5/12. Yes, this could be indicated with a tempo change at the
barline, but if the changes are every bar (as typical in Ferneyhough),
x/12 etc. is the clearest system to use. And isn't at all complicated
once you've familiarised yourself with it.
Gerald Berg
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