Musical Innovations in the 1960s and 1970s Included

Musical innovations in the 1960s and 1970s included

A) a focus on minimalism, adding sounds made by striking ordinary objects, and the use of repetition, sustained notes, and silence.
B) a return to the idea of musical romanticism and the rediscovery of the great romantic composers, such as Beethoven.
C) an emphasis on lush orchestration, with many layers of instrumentation filling as much "sound space" as possible.
D) an elimination of all nonvocal sounds because they were thought to be unnatural.