public OrchestraConductor()
 {
     StringSection     = new StringSection();
     BrassSection      = new BrassSection();
     PercussionSection = new PercussionSection();
     WoodwindSection   = new WoodwindSection();
 }
 public OrchestraConductor(StringSection strings, BrassSection brass,
                           PercussionSection percussion, WoodwindSection woodwinds)
 {
     StringSection     = strings;
     BrassSection      = brass;
     PercussionSection = percussion;
     WoodwindSection   = woodwinds;
 }