What are the names of the fixed text sections and improvised text sections in Siquisiri?

Why did Copland abandon trying to incorporate jazz idioms in his musical style?

What will be an ideal response?

Where did Gauguin see images he called "honest exoticism," images that inspired him to move to Tahiti?

A. At the French World Exhibition of 1889 B. In impressionistic art C. In Mozart's works D. At the German World Fair in 1890