The pentatonic scale contains ________ pitches per octave.

All of the following statements are true of Babbitt's Three Compositions for Piano EXCEPT it?

a) is an example of total serialism b) employs a highly symmetrical structure c) illustrates combinatoriality d) requires playing inside the piano

In traditional Western music, the ________ is the smallest interval between successive tones of a scale.

A. quarter step B. half step C. whole step D. octave