Assertion: tenor's voice | /r/CapableOf | become involved
Facets:
value: into the 15th century
type: TEMPORAL
value: during the decades
type: TEMPORAL
value: in isorhythmic organization
type: LOCATION
value: increasingly
type: DEGREE
Source sentences:
text: During the decades following and into the 15th century, upper voices became increasingly involved in isorhythmic organization.