Assertion: gregorian chant | /r/Synonym | organum
Facets:
Source sentences:
text: Multi-voice elaborations of Gregorian chant, known as organum, were an early stage in the development of Western polyphony.
text: A Gregorian chant to which additional lines were added is called organum.
text: Beginning with the improvised harmonizations of Gregorian chant known as organum, Gregorian chants became a driving force in medieval and Renaissance polyphony.
text: Multi-voice elaborations of Gregorian chant, known as organum, were an early stage in the development of Western polyphony.
text: Beginning with the improvised harmonizations of Gregorian chant known as organum, Gregorian chants became a driving force in medieval and Renaissance polyphony.