Which British group led in the development of “hard rock” and “heavy metal”?

Of the following, who was a great songwriter from the 1920s to the 1940s?

a. Charles K. Harris b. Stephen Foster c. Chuck Berry d. Cole Porter

The Romans' tradition of realistic portrait sculpture probably derives from their_____________

A. desire to revive Greek Classical ideals B. veneration of deceased ancestors C. concerns about the afterlife D. use of art as political propaganda