Assertion: led zeppelin | /r/CapableOf | headline two concerts
Facets:
value: in august
type: TEMPORAL
value: at the knebworth music festival
type: LOCATION
Source sentences:
text: In August 1979, after two warm-up shows in Copenhagen, Led Zeppelin headlined two concerts at the Knebworth Music Festival, playing to a crowd of approximately 104,000 on the first night.