Who was the most important early innovator in American classical music?

Georgia O'Keeffe's critics labeled her paintings

a. political. b. feminine. c. surrealist. d. traditional.

In a piano "duel" with Steibelt, Beethoven once

A) closed the lid on his opponents fingers B) grabbed the cellist's music, put it on the piano rack upside down, made the music into a theme and then improvised on it C) played the entire work that Steibelt had performed in retrograde inversion D) slipped out before the end of the competition E) played his composition lying with his head under the keyboard and his arms crossed over his head on the keys