A public relations representative
The answer is D, Music. He was a musician who played the keyboard and sang wonderfully. Sadly he died in 1974.
A biography can contain almost anything about a person- Their entire life, or just one key event... Most biographies, regardless of their length and target audience, will provide basic facts like the time and place in which the person lived.
Answer: the unjust or prejudicial treatment of different categories of people or things, especially on the grounds of race, age, or sex.
"victims of racial discrimination"