From the Wikipedia entry:
"Sleigh Ride" is a popular light orchestral piece composed by Leroy Anderson. The composer had the original idea for the piece during a heat wave in July 1946; he finished the work in February 1948. Lyrics, about a person who would like to ride in a sleigh on a winter's day with another person, were written by Mitchell Parish in 1950. The orchestral version was first recorded in 1949 by Arthur Fiedler and The Boston Pops Orchestra. The song was a hit record on RCA Victor Red Seal (78 rpm) and has become the equivalent of a signature song for the orchestra. The 45 rpm version was originally issued on red vinyl.
The Boston Pops, as lead by John Williams, although I far prefer the Fiedler version which was probably the first one I ever heard, and so it is therefore imprinted on my brain: