When the intervals of a row in twelve-tone music are duplicated, ...

[danielfitts88]

When the intervals of a row in twelve-tone music are duplicated, but in the opposite direction, it is considered a row in ____.
 
  A) transposition
  B) inversion
  C) retrograde
  D) combinatoriality

Question 2

What is meant by the term Notre Dame School?
 
  A) a school associated with the cathedral where musicians came to learn the art of composing organum
  B) the choir of boys that sang for cathedral services in exchange for room, board, and education
  C) the compositions by Leoninus, Perotinus, and their colleagues that became the first international repertory of polyphonic music in Western Europe
  D) all of these choices

[tmlewis4706]

Answer to Question 1

B

Answer to Question 2

C

[danielfitts88]

Thank you!

[tmlewis4706]

Always glad to help...