Assertion: flexi disc | /r/CapableOf | be provided by music publishers
Facets:
value: often
type: TEMPORAL
value: to their customers,[citation
type: TRANSITIVE-OBJECT
Source sentences:
text: Flexi discs or Soundsheets were often provided by music publishers to their customers,[citation needed] frequently school band and orchestra directors, marching band and drum corps leaders and others, with their printed catalogs of sheet music.