Theatre probably originated first in _____

One of the defining sounds that Rock and Roll had become rock into the 1960s was:

a. the virtuosity of keyboard players b. the switch from acoustic to electric bass c. guitar comping as a new accompaniment device d. echo effects from the top recording studios

What quality is common in minimalist music?

A. Jazz stylings B. Ragged rhythms C. Atonality D. Consonance