Oftentimes the conductor is the music director and will be in charge of auditioning and hiring musicians for a musical ensemble.
The music performed by an ensemble is also carefully chosen by the conductor based on the abilities of the group and audience demand.
The duties of a conductor include organizing and leading music rehearsals with the group. The number of rehearsals also depends upon the abilities and experience of the group.
The musical knowledge and experience of the conductor fully suits him to direct the musicians in the interpretation of music, including tempo, phrasing, quality of sound and dynamics.
The conductor not only conducts a concert, but also acts as master of ceremonies as well. She will usually welcome an audience, introduce musical numbers and guest musicians and direct applause to particular soloists.