Some even have a musical keyboard linked to a computer which compiles the digital information into musical notation while they play. Also, they may program the composition in musical notation into the computer, which can play back the piece. Orchestra conductors lead orchestras and bands. They audition and select musicians, choose the music to be performed, and direct rehearsals and performances. They apply conducting techniques to achieve desired musical effects.
Choral directors conduct choirs and glee clubs.
They audition and select singers and direct them at rehearsals and performances to achieve harmony, rhythm, tempo, shading, and other desired musical effects. All musicians spend a considerable amount of time practicing. Those who play current music listen to recordings and copy the sound, since sheet music may not be available. Musicians may have to travel frequently to perform. Working Conditions Musicians often perform at night and on weekends and spend considerable time in practice and rehearsal.