Questions: Name the singer/pianist who was the first black celebrity to host his own television show. He was also known for his mellow vocal style. A. Frank Sinatra B. Bing Crosby C. Nat King Cole D. Cab Calloway

The answer is C. Nat King Cole

Frank Sinatra was a famous singer and actor, but he was not the first black celebrity to host his own television show.

Bing Crosby was a renowned singer and actor, but he was not black and did not host a television show as the first black celebrity.

Nat King Cole was a celebrated singer and pianist known for his smooth vocal style. He was the first black celebrity to host his own television show, "The Nat King Cole Show," which aired in 1956.

Cab Calloway was a famous jazz singer and bandleader, but he did not host his own television show as the first black celebrity.