Assertion: gregorian chant | /r/CapableOf | accompany the text of the
Facets:
Source sentences:
text: Gregorian chant, monophonic, or unison, liturgical music of the Roman Catholic Church, used to accompany the text of the mass and the canonical hours, or divine office.
text: Gregorian chant, monophonic, or unison, liturgical music of the Roman Catholic Church, used to accompany the text of the mass and the canonical hours, or divine office.