...the choral pianist is reliable with responsibilities at the piano, which vary according to the conductor's preferences. The pianist detects errors right along with the conductor and, therefore, can predict and anticipate the next rehearsal spot. ...they are ready to give starting pitches before being told a page and measure number. Several people impact young pianists on their journey to co-leadership, from family members who help to instill leadership and positive socialization qualities, to theory and ear training instructors who teach them to detect errors and read open-score harmony, to studio teachers who ensure they have the necessary technical and musical skill set. ...conductors may communicate to young pianists the importance of being engaged 100% of rehearsal and performance time.