Here a part of my favorite song screams of time: I walk alone thow screams of time

Poussin was responsible for establishing what as a key component of 17th century french art

This painting is by james whistler, and is entitled, symphony in blue and pink. what is the subject matter of this piece?

In a paragraph of no less than 125 words, explain the single most important factor involved in advancing american classical music in the twentieth century.