Assertion: d clarinet | /r/HasProperty | employed by composer
Facets:
value: commonly
type: TEMPORAL
value: to be used by one player
type: PURPOSE
Source sentences:
text: D clarinets were once commonly employed by some composers (e.g., Rimsky-Korsakov's Mlada) to be used by one player equipped with instruments in D and E♭ — analogous to a player using instruments in B♭ and A.