Answer:
The trailer should give audiences a very brief but exciting glimpse of the movie, enough to make them want more.
Sarabande and Variations in D minor composed by Handel. The piece is in 3/2, which is a simple triple meter.
Chiaroscuro is Italian for<em> light and shadow</em>
Painters use this technique when they need to <u>create the illusion of light</u> on objects and people
I've attached a pic for example :D