1 jan 1100 ano - St. Martial School of Polyphony

Descrição:

An important type of organum developed at St. Martial, found in nine twelfthcentury manuscripts. It was a precursor to the Notre Dame School of Polyphony.
a. The notation in these sources indicates pitch, but not rhythm, suggesting
that music was composed orally (not by writing it down).
b. Rhythm is necessary for polyphony.
c. In St. Martial organum, one voice moves slightly, while the upper voice
decorates it freely.

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