Answer:
A composer or a performer can add expression to his music by bringing out deepest feeling into it. A composer may express emotion by introducing two methods, allegro con brio and adagio cantabile, which means by playing fast or slow. A composer may also use pitches and rhythms which would be in his personal preference to bring out the passion excitement towards the audience.
For the diversity of arts maybe. Because he feels like it.
Answer:
Ok so its quite easy The first one is A, C, hold on brb im trying to remember but i swear i wont leave you hanging.
Explanation: