Assertion: orchestra | /r/CapableOf | use a video camera
Facets:
value: in early 21st century
type: TEMPORAL
value: of using two conductors
type: OTHER
Source sentences:
text: In the late 20th century and early 21st century, some orchestras use a video camera pointed at the principal conductor and a closed-circuit TV set in front of the offstage performer(s), instead of using two conductors.