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Re: AU, plugin tempo, musical time information
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Re: AU, plugin tempo, musical time information


  • Subject: Re: AU, plugin tempo, musical time information
  • From: Doug Wyatt <email@hidden>
  • Date: Tue, 3 Nov 2009 12:24:14 -0800


On Nov 3, 2009, at 11:05 , Richard Dobson wrote:

Doug Wyatt wrote:
.
Think of a measure of 7/8 as being 3.5 beats long. This isn't the "canonical" way that a musician would think of it,

You're not kidding! Standard musical practice (I suspect amongst drummers too) is to divide such patterns into "squares and triangles" - 2+2+3, or 3+2+2; sometimes 4+3. Some modern scores actually notate it that way, too.


Even 8/8 is not safe: think Bartok's pieces in "Bulgarian Rhythm" : 3 + 3+2. You will want everything to fit those accents, ~not~ quarter-notes.


but it makes perfect
sense to a drummer contemplating polyrhythms, and it does have the advantage of a "beat" remaining constant in duration across meter changes (unless there are also tempo changes).

I am intrigued to know how that is an advantage. Crotchets with everything?



I have pieces where I improvised a steady stream of 16th notes, and then superimposed a meter track on them, e.g.:


4/4 4/4 7/8 6/8 4/4 5/8 6/8 *

Now if I change my mind and decided I want to notate those 4/4's as 8/8's (so that the metronome clicks twice as often), I don't have to go through the whole sequence and change the absolute beat location of any of the MIDI note events. My little programs to assist in creating a coordinate system (meter and tempo tracks) for a free performance are certainly happier that way, plus, beyond my convenience as a programmer, as a musician I'm losing precision in the locations of the events every time I change a denominator in the meter track.

Maybe there are track representations where beats are expressed in the denominator of the time signature and this problem doesn't exist, but I'm skeptical and/or myopic; I worked with the inventor of MIDI files and have just always thought of things that way.

Doug

* After I just made that up I noticed that it adds up to 24 quarter notes. Could be interesting.

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  • Follow-Ups:
    • Re: AU, plugin tempo, musical time information
      • From: Paul Davis <email@hidden>
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      • From: Doug Wyatt <email@hidden>
References: 
 >AU, plugin tempo, musical time information (From: Paul Davis <email@hidden>)
 >Re: AU, plugin tempo, musical time information (From: Doug Wyatt <email@hidden>)
 >Re: AU, plugin tempo, musical time information (From: Richard Dobson <email@hidden>)

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