…a Christmas classic…
Bing Crosby had an annual Christmas TV special; this was recorded on 11 Sept. 1977 for the show which would be broadcast that year: ‘Bing Crosby’s Merrie Olde Christmas.’
From wiki: The pair exchanged dialogue about what they do for Christmas before singing “Little Drummer Boy” with a new counterpoint with original lyrics written for the special, “Peace on Earth.”
Crosby died on October 14, just over a month after recording the special. In the U.S., the show aired on 30 November 1977 on CBS.