Who is the “one-sung-over”?

The Mannerist qualities in Michelangelo's The Last Judgment are believed to result from:

a. the leaden psychological climate of Rome. b. the Reformation. c. the brutal sack of Rome in 1527. d. all of these. e. none of these.

Melody is (the)?

a. speed of the beat.? b. ?sound of a succession of pitches. c. ?basic music interval. d. ?several pitches at once.