Which of the following artists shared Stieglitz's concern to position photography as an art form with the same fine-art status as painting and sculpture?

Which statement is not reflective of the changes that occurred in opera during

the Classical period

a. became a powerful voice for social change during the Enlightenment b. scenes with more than one character singing at a time in a vocal ensemble were avoided c. heroic, statue-like characters replaced by more natural, realistic ones drawn from everyday life d. music moved fluidly between arias and recitatives e. rapid changes in musical style reflect quick-moving, often comic, events on stage

Who recorded "Planet Rock?"

A. Grandmaster Flash and the Furious Five B. Afrika Bambaataa C. Sugar Hill Gang D. Kurtis Blow