Assertion: orchestra's role | /r/HasProperty | established
Facets:
Source sentences:
text: While some orchestras protested the introduction of the conductor, since they were used to having a concertmaster or keyboard player act as leader, eventually the role of a conductor was established.
text: While some orchestras protested the introduction of the conductor, since they were used to having a concertmaster or keyboard player act as leader, eventually the role of a conductor was established.