Mel Tormé
Melvin Howard Tormé (September 13, 1925 – June 5, 1999), nicknamed The Velvet Fog, was an American musician, best known as a singer of jazz standards. He was also a jazz composer and arranger, drummer, pianist, and actor in radio, film, and television, and the author of five books. He composed the music for the classic holiday song "The Christmas Song" ("Chestnuts Roasting on an Open Fire") and co-wrote the lyrics with Bob Wells.
source: Wikipedia