Assertion: chant | /r/HasProperty | sung with equal duration
Facets:
value: by the 13th century
type: TEMPORAL
value: approximately
type: OTHER
Source sentences:
text: By the 13th century, with the widespread use of square notation, most chant was sung with an approximately equal duration allotted to each note, although Jerome of Moravia cites exceptions in which certain notes, such as the final notes of a chant, are lengthened.