Assertion: piece | /r/HasProperty | rendered in a five-hour performance
Facets:
value: at the university of illinois
type: LOCATION
Source sentences:
text: The piece was initially rendered in a five-hour performance at the University of Illinois in 1969, in which the audience arrived after the piece had begun and left before it ended, wandering freely around the auditorium in the time for which they were there.[citation needed]