Why is a conductor conducting an orchestra an appropriate metaphor for the facilitation method? ...

Why is a conductor conducting an orchestra an appropriate metaphor for the
  facilitation method?
 
  a. A conductor is like an agency or organization and the facilitation method is
  the baton that makes sure the players, the social workers, play as they
  should
  b. In using the facilitation method, the practitioner intends primarily to create
  circumstances and environments in which others may do their most
  productive and creative work
  c. In the facilitation method the social worker is the director and the client
  telling clients what to play
  d. The facilitation method is a new dance song and the band The Common
  Factors is made up of social workers playing all the instruments