How can we normalize the terminology? Here are my thoughts on the
matter,
trying to distill this into a controlled lexicon --
* polymeter -- the most generic term
* sequential polymeter -- Ralph's definition
* regular
* irregular
* simultaneous polymeter -- Valentin's definition
* regular and irregular (theoretically)
And here's what happens to the list of terms above:
* polymetric time signature
Deleted: although it implies sequential polymeter, it has too many
possible
interpretations to be useful.
* double time signature
* compound time signature
* additive time signatures
* alternating time signatures
Become "See also _sequential polymeter, regular_"
* mixed meter / mixed time signatures
Becomes "See also "sequential polymeter, irregular_"
I have never heard the term polymeter. It does not show up in Grove Music
Online (actually once but refering to poetic meter), not a good sign! And
according to Wikipedia, polymeter implies polyrhythm and therefore is
equivalent to your "simulatenous polymeter"
<http://en.wikipedia.org/wiki/Polymeter>. That term should be out!
The equivalent term to your "sequential polymeter" that I've heared and
used is "changing meters" or "irregular meter".
* double time sig -- too ambigous whether it's simultaneous or sequential
* compound time sig -- this is a well established term refering to meter
such as 6/8, 9/8, 6/4, etc. in contrast to simple meters such as 3/8, 3/4,
etc.
* additive time sig -- could mean sth like (3 + 3 + 2)/8 or could mean
irregular meters a la Messian
* alternating time sig -- a special case of changing/irregular meter
--AT
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