Assertion: orchestra | /r/HasProperty | led by david mccallum
Facets:
value: during the early years
type: TEMPORAL
Source sentences:
text: During the early years, the orchestra was led by Paul Beard and David McCallum, and included leading players such as James Bradshaw, Gwydion Brooke, Geoffrey Gilbert, Léon Goossens, Gerald Jackson, Reginald Kell, Anthony Pini and Bernard Walton.