Assertion: gregorian chant | /r/HasProperty | specialist market
Facets:
value: before the 1980s
type: TEMPORAL
value: for record companies
type: OTHER
Source sentences:
text: Not only had Gregorian chant been a specialist market for record companies before the 1980s, but also other monastic choirs, such as that of Solesmes Abbey, had enjoyed a higher profile as recording artists than the Silos monks.