Assertion: gregorian chant | /r/CapableOf | supplant old roman chant
Facets:
value: between the 11th century
type: TEMPORAL
value: between the 13th century ad
type: TEMPORAL
value: gradually
type: MANNER
Source sentences:
text: Gregorian Chant gradually supplanted Old Roman Chant between the 11th century and the 13th century AD.