The answer is A: composed influencial counterculture music.
Robert A. Zimmermeman was the real name of the American folk singer and composer known as Bob Dylan. During the 1960s Bob Dylan wrote and sang many songs that were considered protest songs. Some of his songs were included in movements, such as <em>Anti-war and Civil Rights movements</em>. "Like a Rolling Stone", "Blowing in the Wind" and "Mr Tambourine Man" are some of his songs.
Explanation: Bob Dylan is one of the most influential authors and performers of modern 20th century music. His work was based on the performed folk, with a pronounced anti-war attitude, which is why he belongs to counterculture musicians. During his work, which continues to this day, many other genres also featured his music, except folk music. He is also the winner of the Nobel Prize.
