Phil Harrell

In 1946, Nat King Cole became the first recording artist to wrap his lush vocals around what would become a standard of the holiday season, "The Christmas Song." But that song was written by a different crooner: Mel Tormé.

NPR's Noel King spoke with Mel Tormé's youngest son, James — an accomplished jazz singer himself — to get the story behind the creation of this Christmas classic.