a type of polyphonic singing
music theory treatise describing a type of polyphonic singing called Organum.
Organum in which all voices move in lockstep, up or down, with the intervals between voices remaining the same.
example of parallel organum. pre-existing chant to be enhanced.
example of parallel organum. a newly created line to be added to the chant.
a chant manuscript mainly preserving additions to the liturgy called tropes.
the bottom voice holds a note while the faster-moving top voice embellishes it in a florid fashion.
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