9) answer : C _ polyrhythm
Polyrhythm is the simultaneous Use of two or more conflicting rhythms .
Rhythmic conflict msg be the basis of an entire piece of music .
10) answer : 2_ greeks
In ancient greece, pythogoras and his followers thought that celestial bodies made music .these music in the spacing of spheres .
Music Class QUESTION 9 Two or more different sets of beats create a more complex rhythm...