txtDefinition=In {\uldb ensemble music}{\v 123936}, the leader who ensures that the group of {\uldb instrumentalists}{\v 84565} or vocalists plays in a coordinated manner. Generally, modern conductors do not play an instrument within the {\uldb ensemble,}{\v 133042} but lead it by movements using a baton. {\uldb Chamber music}{\v 76679} is distinguished by being \'93conductorless.\'94