In
opera, a is the person responsible for coaching singers and playing the
piano for music and production rehearsals. When coaching solo singers or choir members, the '''' will take on a number of the roles of a
vocal coach: advising singers on how to improve their pitch and pronunciation, and correcting note or phrasing errors. are skilled musicians who have strong
sight-reading and score reading skills. In addition to being able to sight read piano parts, some '
can play on the piano an orchestral score reducing it in real-time (orchestral reduction), by reading from a large open score of all of the instruments and voice parts. ' are also skilled in following the directions of a conductor, in terms of changing the tempo, pausing, or adding other nuances. == Ballet ==