Why are contrast and chiaroscuro an important part of realistic painting

In two to four paragraphs, explain what happened musically as britten introduced the orchestral instruments. include a discussion of: -the order in which the instruments introduced the theme, as heard in the first 2: 00 minutes of the piece. -why the composer might have chosen to use different sections of the orchestra to play at different times. -how this piece you gain a better understanding of the orchestra. don't need all of it answered just need something to put down,

Can someone me i need to write a poem with 1 simile 1 hyperbole and 1 metaphor it has to be free verse

What is the name of the painting above?