Score error example #3

in rehearsal, you notice that some performers are playing when they are not supposed to when using the example 3 score. what difference do you notice between the example 3 score and the concerto score?

listen to the recording of the example 3 score. then listen to the recording of the concerto score. how does the difference in the scores affect how the piece sounds?

the relative loudness of particular instruments is called orchestral balance. how is the balance differerent in the recording of the example 3 score compared to the original? can you hear some instruments more clearly?