Am 10.10.2014 um 21:53 schrieb Mark Stephen Mrotek:
Simon,
Regarding the snippet you provide, I would be confused in reading it. The "₵"
would tell me 2/2, yet there would be four semi-breves.
No, a semi-brevis is what we call „ganze Note” in Germany; the „halbe
Note” would be a minim (the British English naming is the same as in
latin). Thus, alla breve means ‘in units of a brevis’, that is 4/2 or 2/1.
And this has been common notation, in the 17th and 18th centuries there
are countless examples. After all, the cut c comes from a time when
there were no barlines at all, so it’s a matter of interpretation if
modern editors choose to insert barlines every 2/2 or 4/2. And the 19th
and 20th centuries often continue to refer to ancient music also in
rhythmic concerns, so today there are both meanings, and you won’t be
able to determine one measure’s duration from the cut c time signature
alone.
Yours,
Simon
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