Which of the following changes in rhythm and blues indicated a progression toward rock 'n' roll A. Emphasized backbeat

B. Untamed vocals

C. Wilder style

D. All of the above

D. All of the above.

Explanation:

Rhythm and blues was a music style that was developed after World War II. This music style combined elements of gospel, jazz, pop, and blues with a strong back beat.

Rhythm and blues were usually played by a small group which laid importance on rhythmic drive and the vocalists usually sang in direct style. All of these styles played an important role to how rock and roll was developed a few years later.

The change in rhythm and blues that indicated a progression toward rock and roll include emphasized backbeat, untamed vocals and wilder style. Therefore, the answer is all of the above.

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