There was a black singer that died of cancer in the He had song titled The Christmas Song What his name?

The singer you are referring to is Nat King Cole. Nat King Cole was an American singer, pianist, and actor. He was one of the most popular musicians of his era and is considered one of the greatest jazz singers of all time. Cole recorded dozens of hit songs, including "The Christmas Song," which has become a holiday classic. He died of lung cancer in 1965 at the age of 45.