Answer:
Montages:
Speed up time.
Convey a lot of information at once.
Heighten tension.
Compare and contrast.
In Common:
Quick cuts.
No dialogue. This isn't necessarily in all montages, but most don't have words.
Voice-over narration.
Juxtaposition:
the fact of two things being seen or placed close together with contrasting effect.
Superimposing:
place or lay (one thing) over another, typically so that both are still evident
Exposition:
a comprehensive description and explanation of an idea or theory.
Falling Action:
a comprehensive description and explanation of an idea or theory.
It is called Musique Concrete. (The first e in concrete is accented.)
In my opinion, the answer is <span>B. the public concert system. Before that, performances were sponsored and held mainly in the rich patrons' mansions. Composers and performers earned their living thanks to their support. However, by the beginning of the 19th century, the era of commercial public concerts began. Composers could conduct their symphonies and other works in front of thousands of people (middle classes among them), in large concert halls. Even soloists held concerts (Franz Liszt being among the most notable and popular ones). The great concert piano appeared, such as we know today. </span>