What duet performed Peace on Earth/Little Drummer Boy
Bing Crosby's Merrie Olde Christmas:  It was Crosby's final Christmas special, recorded just five weeks before his death on October 14, 1977, and is also known most notably for its musical highlight of the iconic duet by the unusual pairing of Crosby and Bowie on "Peace on Earth/Little Drummer Boy",
i don't know